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Presentations

19th G.A. Leonards Lecture- Sustainability and Resiliency-Based Innovation: Research and Practices in Geoenvironmental Engineering Heading link

Sustainability and Resiliency-Based Innovation: Research and Practices in Geoenvironmental Engineering, 19th G.A. Leonards Lecture, Purdue University, May 5, 2023

Invited Presentations Heading link

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Invited Plenary and Keynote Presentations

  1.  “Sustainable and Resilient Geo-Engineering: Drivers, Frameworks, and Case Studies.” Keynote Presentation, 4th International Symposium of Engineering Applications on Civil Engineering and Earth Sciences 2023 (IEACES2023), Turkey, June 2, 2023
  2. “Accelerated Stabilization of Municipal Solid Waste in Bioreactor Landfills.” Invited Keynote Presentation, 75th Geological Congress of Turkey, Environmental Geology and Waste Management Session, Ankara, Turkey, April 14, 2023
  3. “Quantifying Resiliency and Sustainability of Engineering Designs.” International Conference on Sustainable Design, Materials and Manufacturing in Engineering, Dr.N.G.P. Institute of Technology, Coimbatore, India, April 5-6,2023
  4. “Sustainability and Resilience: New Paradigm in Geotechnical Engineering.” Invited Keynote Presentation, Ninth Indian Young Geotechnical Engineers’ Conference (9IYGEC 2023), Indian Geotechnical Society, Aurangabad Chapter, March 21, 2023
  5. “Sustainability and Resiliency in Civil Engineering: Frameworks and Examples.” International Conference on Civil Engineering innovative Development in Engineering Advances (ICC IDEA-2023), SRM Institute of Science and Technology, Kattankulathur, TN, India, March 10, 2023
  6. “Climate Adaptive (Resilient) Site Remediation: Field Studies and Lessons Learned.” International Conference on Sustainable Resilient Remediation (ICSRR’23), Centre for Environmental Studies (CES), Department of Civil Engineering, College of Engineering Guindy (CEG), Anna University, Chennai, India, February 2, 2023
  7. “Sustainability in Built Environment and Energy Conservation: Civil Engineering Perspectives.” Invited Presentation (Online), 5th REVA Research Conclave, School of Civil Engineering, REVA University, Bangalore, India, December 16-17, 2022.
  8. “Life Cycle Sustainability Assessment of Civil Infrastructure.” Keynote Presentation (Online), 3rd International Conference on Sustainable Construction Technologies & Advancements in Civil Engineering (ScTACE-2022), Shri Vishnu Engineering College for Women, Bhimavaram, AP, India, December 15, 2022
  9. “Sustainability Assessment of Various Remediation Alternatives for Contaminated Lake Sediments: Case Study.” Keynote Presentation (Online), 13th International Symposium on Environmental Geotechnology and Global Sustainable Development, Nanjing, China, December 8-9, 2022,
  10. “Electrokinetic Remediation of Polluted Heterogeneous Subsurface Environments.” Invited Presentation (Online), Geo-Institute 7th Annual Live Streaming Web Conference, December 6, 2022.
  11. “Green and Sustainable Remediation of Polluted Sites.” Keynote Presentation (Online), International Conference on Trends and Recent Advances in Civil Engineering (TRACE-2022), Department of Civil Engineering, Amity School of Engineering & Technology, Noida, India, October 18, 2022.
  12. “Soil and Groundwater Pollution: Problems and Solutions.” Keynote Presentation (Online), International Conference on Innovative Technology for Smart Construction Materials and Sustainable Infrastructure, Department of Civil Engineering, Velagapudi Ramakrishna Siddhartha Engineering College, Vijayawada, India, October 15, 2022.
  13. “Electrokinetic Remediation of Polluted Heterogeneous Subsurface Environments.” Keynote Presentation, 18th International Symposium on Electrokinetic Remediation (EREM2022), University of Le Havre-Normandie, France, September 20, 2022.
  14. “Addressing Sustainability and Resiliency in Geoenvironmental Engineering.” Keynote Presentation, 3rd International Conference on Environmental Geotechnology, Recycled Waste Materials, and Sustainable Engineering (EGRWSE-2022), Dokuz Eylül University, DESEM, İzmir, Turkey, September 15, 2022.
  15. “Controlled Low Strength Materials Utilizing Various Industrial Waste Materials: Sustainability Assessment.” Keynote Presentation, 6th International Conference on Smart Materials for Sustainable Construction in Civil Engineering (ICSMSCE-2022), REVA University, Bangaluru, India, July 8, 2022.
  16. “Environment and Sustainability: The Need of the Hour.” Invited Presentation (Online), International Conference on Environment and Sustainability (ICES-2022), Chandigarh University, Mohali, Punjab, India, July 2, 2022
  17. “Addressing Sustainability and Resiliency in GeoEngineering.” Keynote Presentation (Online), 3rd International Conference on Geotechnical Engineering-Iraq-2022, Baghdad, Iraq, May 29, 2022
  18. “Life Cycle Sustainability Assessment of Geothermal Heating and Cooling System: UIC Case Study.” Online Presentation, 2nd International Conference on Energy Geotechnics (ICEG), University of California-San Diego, USA, April 13, 2022
  19. “Preparing Sustainable Engineers: Transformative Engineering Education for Sustainable Development.” All India Conference of Vice-Chancellors of Universities Offering Engineering & Technology Programs, JNTU Hyderabad, April 8, 2022
  20. “Tiered Quantitative Assessment of Life Cycle Sustainability and Resilience (TQUALICSR): Framework for Contaminated Site Remediation.” Online Presentation, 31st Annual International Conference on Soil, Water, Energy, and Air, Virtual, March 14, 2022.
  21. “Sustainable Cover System to Control Fugitive Gas Emissions at Landfills and Waste Dumps.” Keynote Presentation (Online), First International Conference on Recent Advances in Sustainable Environment (RAiSE 2022), February 27, 2022.
  22. “Electrobioremediation: Coupled Electrokinetics and Bioremediation for Contaminated Site Remediation.” Keynote Lecture, Indian Geotechnical Conference (Virtual), Organized by IGS Trichy Chapter & Department of Civil Engineering, National Institute of Technology, Tiruchirappalli, Tamil Nadu, India, December 18, 2021
  23. “Modeling Coupled Dynamic Processes in Landfills: Holistic Long-Term Performance Management to Improve Sustainability.” Keynote Presentation at the 3rd International Conference on Geotechnical Engineering (Virtual), Organized by the Sri Lankan Geotechnical Society, Sri Lanka, December 6-7, 2021 [YouTube Video]
  24. “Sustainable and Resilient Remediation of Polluted Sites.” International Conference on Sustainable Materials and Practices for Built Environment (SMPBE-2021), Department of Civil Engineering, Manipal University Jaipur, India, November 25, 2021
  25. “Sustainability Assessment of Controlled Low Strength Materials Utilizing Various Industrial Waste Materials.” First Indian Geotechnical and Geoenvironmental Engineering Conference (Virtual Mode), IGC-Jalandhar Chapter & Department of Civil Engineering, National Institute of Technology, Jalandhar, India, November 19, 2021
  26. “Innovative Biochar-Slag-Soil Cover System for Zero Emissions at Landfills.” The 8th Joint Seminar on Geoenvironmental Engineering and Recycling (GER 2021), Seoul National University, South Korea, November 11, 2021
  27. “Life Cycle Sustainability Assessment of Civil Infrastructure: Framework and Case Study.” International Conference on Sustainable Construction Technologies & Advancements in Civil Engineering (ScTACE-2021), Shri Vishnu Engineering College for Women, Bhimavaram, AP, India, October 14, 2021
  28. “Quantitative Assessment of Life Cycle Sustainability of Civil Infrastructure.” International Conference on Recent Advances in Civil Engineering (ICRACE-2021) Department of Civil Engineering, National Institute of Technology, Silchar, India, September 18, 2021
  29. “Quantifying Sustainability: General Framework and Case Study of Selecting Adsorbents for PFAS-Contaminated Groundwater Remediation.” International Conference on Advances in Civil Engineering (ICACE-2021), Civil Engineering Department, KL University, Vijayawada, India, June 26, 2021.
  30. “Use of Biochar for Sustainable Environmental Remediation.” 1st International Conference on Construction Materials and Environment (ICCME-2021), Jaypee University of Information Technology (JUIT), Solan, HP, India, June 4, 2021.
  31. “Climate Resilient Design of Built-Infrastructure.” 3rd International Conference on Engineering Challenges in Gulf Countries (Virtual), IEI Kuwait Chapter, January 22, 2021.
  32. “Sustainable and Resilient Civil Infrastructure: Future Reimagined.” 3rd International Conference on Trends and Recent Advances in Civil Engineering (TRACE), Department of Civil Engineering, Amity School of Engineering & Technology, Amity University Uttar Pradesh, Noida, India, August 20, 2020.
  33. “Addressing Sustainability in Geotechnical and Geoenvironmental Projects.” American Society of Civil Engineers-Illinois Section-Geo-Institute Chapter and Association of Environmental & Geologists (AEG) Chicago Chapter, ASCE-AEG Joint Meeting, January 14, 2020.
  34. “Biogeochemical Cover System for Mitigation of Gas Emissions at Waste Dumps and Landfills.” Indian Geotechnical Conference (IGC-2019), Surat, Gujarat, India, December 19, 2019.
  35. “Electrokinetic Remediation of Mercury-Contaminated Soils.” The 17th International Symposium on Electrokinetic Remediation (EREM 2019), San Miguel de Allende, Guanajuato, México, September 26, 2019
  36. “Framework for Integrating Sustainability into Civil and Environmental Engineering Projects.” 4th International Conference on Civil, Environmental, Geology and Mining Engineering, Trabzon, Turkey, April 20, 2019.
  37. “Risk, Sustainability and Resiliency Considerations in Polluted Site Remediation.” 8th International Congress on Environmental Geotechnics, Hangzhou, China, October 28, 2018.
  38. “Geothermal Heating/Cooling System at University of Illinois-Chicago.” DFI Energy Foundations Seminar, University of Illinois at Chicago, September 18, 2018.
  39. “Framework for Integrating Sustainability into Electrokinetic Remediation Projects.” EREM2018 XVI. International Symposium on Electrokinetic Remediation, Canakkale, Turkey, August 6, 2018.
  40. “Green and Sustainable Remediation of Polluted Sites: New Concept, Assessment Tools, and Challenges.” XVI Danube – European Conference on Geotechnical Engineering, Skopje, R. Macedonia, June 7, 2018.
  41. “Sustainability and Resiliency in Civil and Environmental Engineering.” 3rd International Conference on Civil and Environmental Engineering (ICOCEE), Cesme, Turkey, April 24, 2018.
  42. “Role of Geochemistry in Sustainable Geotechnics.” International Conference on Environmental Geotechnology, Recycled Waste Materials, and Sustainable Engineering (EGRWSE-2018), NIT Jalandhar, March 29, 2018.
  43. “Sustainability Applied Remediation of Soil and Groundwater.” VI Encontro de Engenheiros e Arquitetos do Norte do RS (EENAR), III Simpósio de Infraestrutura e Meio Ambiente (SINMA), and I Seminário de Geotecnia Ambiental, University of Passo Fundo, Brazil, March 15, 2018.
  44. “Overview of Geotechnical Engineering Practice in Chicago.” International Seminar on Latest Trends in Structural Engineering and Geo-Environmental Engineering (LTSEGEE-2018), Visakhapatnam, India, March 2, 2018.
  45. “Waste Management and Landfill Engineering.” International Seminar on Latest Trends in Structural Engineering and Geo-Environmental Engineering (LTSEGEE-2018), Visakhapatnam, India, March 2, 2018.
  46. “Polluted Soil and Groundwater Remediation.” International Seminar on Latest Trends in Structural Engineering and Geo-Environmental Engineering (LTSEGEE-2018), Visakhapatnam, India, March 3, 2018.
  47. “Addressing Sustainability in Civil Engineering.” International Seminar on Latest Trends in Structural Engineering and Geo-Environmental Engineering (LTSEGEE-2018), Visakhapatnam, India, March 3, 2018.
  48. “Climate Change, Resiliency and Sustainability: Engineering Challenges for Smart Cities.” International Conference on Development of Sustainable Smart Cities, Manipal Institute of Technology & Engineering (MITE), Mangalore, India, January 3, 2018.
  49. “Geoenvironmental Engineering for Pollution Control.” Indian Geotechnical Society Kolkata Chapter, Jadavpur University, Kolkata, India, December 30, 2017.
  50. “Addressing Sustainable Technologies in Geotechnical and Geoenvironmental Engineering.” Indian Geotechnical Conference, Indian Institute of Technology Guwahati, December 15, 2017.
  51. “Bioreactor Landfills and Leachate Recirculation.” GEOSUL 2017, XI Simpósio de Prática de Engenharia Geotécnica da Região Sul, Bento Gonçalves, Rio Grande do sul, July 28, 2017.
  52. “Sustainability and Life Cycle Thinking in Geotechnical and Geoenvironmental Engineering.” GEORS 2017- IX Seminario De Engenharia Geotecnica Do Rio Grande Do Sul, Universidade De Caxias Do Sul, Brazil, April 27, 2017.
  53. “Practical Technologies for Polluted Site Remediation: USA Perspective.” The 3rd China National Symposium on Geoenvironmental Engineering, Nanjing, China, November 12, 2016.
  54. “Sustainable Bioengineered Cover Systems for Waste Dumps and Landfills.” COBRAMSEG/SBMR 2016: XVIII Brazilian Conference on Soil Mechanics and Geotechnical Engineering, Belo Horizonte, Brazil, October 19-22, 2016.
  55. “Field–Scale Phytoremediation of Mixed Contaminants in Upland Area at Big Marsh Site, Chicago, USA.” International Conference on Soil and Environment, Indian Institute of Science, Bangalore, July 22-23, 2016.
  56. “Climate Change, Resiliency and Sustainability: Perspectives on Engineering Challenges.” Keynote Lecture, Sustainability in Engineering IV Encontro de Engenheiros e Arquitetos do Norte do RS (EENAR2016), University of Passo Fundo-RS, Brazil, May 11, 2016.
  57. “Urban Infrastructure: Innovation and Sustainability.” II Encontro Nacional de Tecnologia Urbana, V Simpósio de Pós-Graduação em Engenharia Urbana e o II Simpósio de Infraestrutra e Meio Ambiente, Universidade de Passo Fundo (UPF), Passo Fundo (RS), Brazil, November 12, 2015.
  58. “Assessing Sustainability of Ground Improvement Methods: Quantitative Triple Bottom Line Framework and Case Study.” International Conference on INfrastructure Development for Environmental Conservation and Sustenance (INDECS-15), Hosur, Tamilnadu, India, October 28-30, 2015.
  59. “Green and Sustainable Remediation: New Paradigm Shift to Cleanup Polluted Sites.” VIII Congresso Brasileiro de Geotecnia Ambiental (REGEO’ 2015) e do VII Congresso Brasileiro de Geossintéticos (Geossintéticos’ 2015), Brasília-DF, Brazil, July 19-21, 2015.
  60. “Integrating Sustainability into Waste Containment System Design: Framework and Examples.” Global Waste Research Institute (GWRI) Geoenvironmental Engineering Symposium, Cal Poly- San Luis Obispo, CA, February 13, 2015.
  61. “Can Solidification/Stabilization be Sustainable Technology for Remediation of Metal Contaminated Soils?” International Workshop on Solidification/Stabilization of Industrially Heavy Metal Contaminated Soils, Beijing, China, May 1, 2015.
  62. “New Binders and Construction Methods for Solidification/Stabilization of Metal Contaminated Soils: US Perspectives.” International Workshop on Solidification/Stabilization of Industrially Heavy Metal Contaminated Soils, Beijing, China, May 1, 2015.
  63. “Slope Stability of Waste Dumps and Landfills: State-of-the-Art and Future Challenges.” Indian Geotechnical Conference (IGC2014), Kakinada, India, December 18-20, 2014.
  64. “Integrating Sustainability into Civil Infrastructure Design.” International Conference on Sustainable and Innovative Construction Technologies (ICSICT 2014), Karunya University, Coimbatore, India, December 15-16, 2014.
  65. “Sustainable (Triple Bottom Line) Design of Civil Infrastructure: Case Studies.” 5th International Conference on Sustainable Built Environment (ICSBE), Kandy, Sri Lanka, December 12-15, 2014.
  66. “Bioreactor Landfills for MSW Rapid Degradation: Modeling, Optimization and Performance.” XIV Congreso Internacional en Disposición Final de Residuos Sólidos y Perspectivas Ambientales, Pereira-Colombia, September 24-26, 2014.
  67. “Future Directions for Electrokinetic Remediation Research.” 13th symposium on electrokinetic remediation (EREM2014), University of Málaga (UMA), Spain, September 7-10, 2014.
  68. “Application of Life Cycle Assessment (LCA) for Sustainable Infrastructure Design.” International Conference on Advances in Civil Engineering for Sustainable Development, Suranaree University of Technology, Nakhon Ratchasima, Thailand, August 27-29, 2014.
  69. “Sustainable Landfill Biocover.” 24th Annual Solid Waste Technical Conference, The Engineering Society of Detroit & Michigan Waste Industries Association, East Lansing, MI, March 18, 2014.
  70. “LCA and Sustainability Assessment for Selecting Deep Foundation System for High-rise Buildings.” Arab American Association of Architects and Engineers (AAAEA) Fall Conference, Hillside, IL. November 23, 2013.
  71. “Quantifying Social Aspects of Sustainable Remediation: Classroom Examples.” Sustainable Remediation Forum (SURF) Meeting, Chicago, IL. July 25, 2013.
  72. “Electrokinetic Remediation of Soils at Complex Contaminated Sites: Technology Status, Challenges, and Opportunities.” Symposium on Coupled Phenomena in Environmental Geotechnics (CPEG), Politecnico Di Torino, Torino, Italy. July 3, 2013.
  73. “General Report on Case Studies on Ground Improvement and Geoenvironmental Engineering.” Seventh Case Histories in Geotechnical Engineering, Wheeling, IL. May 2, 2013.
  74. “Use of Biochar in Landfill Cover Systems to Enhance Methane Oxidation.” Keynote Lecture, Purdue Geotechnical Society Workshop, Purdue University, West Lafayette, IN. April 19, 2013.
  75. “New Approach to Assess Piping Potential in Earth Dams and Levees.” Indo-US Workshop on Strides in Infra-Development on Expansive and Soft Soils, Indian Institute of Technology, Hyderabad, India. June 27, 2012.
  76. “Geotechnics for Sustainable Environment.” Feature Lecturer, GEOMO2012, Missouri University of Science & Technology, Rolla, MO; Presented 6 lectures on landfill liners/covers, bioreactor landfills, green/sustainable remediation, electrochemical remediation, and environmental nanotechnology. April 27, 2012.
  77. “State-of-the-Practice of Characterization and Remediation of Contaminated Sites.” Keynote Lecture, GeoCongress2012-ASCE, Oakland, CA. March 26, 2012.
  78. “Green and Sustainable Remediation of Polluted Sites.” Institute for Geo-Resources and Environment (Geological Survey of Japan), National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, Japan. October 4, 2011.
  79. “Emerging Trends in Remediation of Contaminated Sites in the United States.” US-Japan Workshop on Geoenvironmental Engineering, Kyoto, Japan, October 6, 2011.
  80. “Characterization and Remediation of Contaminated Sites.” Association of Engineering Geologists, North Central Section, Chicago, IL. October 18, 2011.
  81. “Lactate-Modified Nanoscale Iron Particles for In-Situ Remediation of Organic Pollutants.” RemTEC Summit, Wheeling, Illinois. May 19, 2011.
  82. “Geothermal Heating and Cooling Systems at UIC and Elsewhere.” ASCE Illinois Section Geo-Institute/Geotech Group Meeting. April 13, 2011.
  83. “Nanotechnology for Site Remediation: Dehalogenation of Organic Pollutants by Nanoscale Iron Particles.” Plenary Lecture, 6th International Congress on Environmental Geotechnics, New Delhi, India. November 10, 2010.
  84. “Foundations and Earth Retention Systems in Chicago.” Invited Presentation, Symposium on Selected Topics in Geotechnical Engineering (STINGE – 2010), J.N. Technological University, Hyderabad, India. November 4, 2010.
  85. “Nanotechnology for Site Remediation.” Invited Presentation, National Geophysical Research Institute, Hyderabad, India. November 3, 2010.
  86. “Electrokinetic/Electrochemical Remediation of Polluted Soils and Groundwater.” American Institute of Professional Geologists (AIPG)-Illinois/Indiana Section, Spring Meeting, Lisle, IL. April 22, 2010.
  87. “Pile Foundations.” ASCE Illinois Section Young Member Group Meeting, Chicago, IL. January 20, 2010.
  88. “Geotechnical Engineering for Pollution Control and Remediation.” Keynote Presentation, International Conference on Advances in Concrete, Structural and Geotechnical Engineering, Birla Institute of Technology & Science, Pilani, India. October 25, 2009.
  89. “Modeling Leachate Recirculation and Geotechnical Stability of Bioreactor Landfills: Approach and Data Needs.” Veolia Center for Research, Limay, France. October 2, 2009.
  90. “Nanotechnology for Decontamination of Polluted Ground: Fundamentals and Applications.” Keynote Presentation, International Conference on Developments on Expansive Soils (INDEX-09), Hosur, India. August 28, 2009.
  91. “Bioreactor Landfill Engineering: A Sustainable Approach to Manage Municipal Solid Waste.” IIT Solid Waste Conference, Chicago, IL. May 1, 2009.
  92. “Remediation of Contaminated Subsurface Using Nanoscale Iron Particles.” Keynote Presentation, Indian Geotechnical Conference, Bangalore, India. December 15, 2008.
  93. “Containment Wall Construction at DNAPL-Contaminated Site.” Hong Kong Institute of Engineers-Environmental Division, HKIE Headquarter, Hong Kong, May 29, 2008.
  94. “Chemical Oxidation and Reduction of Environmental Pollutants: An Integral Component of Green Remediation.” Keynote Presentation, Adventus/Carcus/FMC Workshop on Integration of Technologies, Schaumburg, IL. March 27, 2008.
  95. “Advances in Electrokinetic Remediation of Contaminated Sites.” Environmental Science Research Institute, School of Environmental Science and Engineering, Huazhong University of Science and Technology (HUST), China. October 27, 2007.
  96. “Integrated Electrokinetic Remediation Technologies.” Institute of Soil Science, Chinese Academy of Sciences, Nanjing, China. October 25, 2007.
  97. “Nanotechnology for Contaminated Site Remediation.” International Symposium on Geo-Environmental Engineering for Sustainable Development, Xuzhou, China. October 23, 2007.
  98. “Monitoring and Performance Assessment of Bioreactor Landfills.” Department of Environmental Science and Engineering, Tsinghua University, Beijing, China. October 22, 2007.
  99. “Technical Challenges to In-Situ Remediation of Polluted Sites.” First Sri Lanka Geotechnical Society International Conference on Soil and Rock Engineering, Colombo, Sri Lanka. August 9, 2007.
  100. “Electrokinetic Delivery of Nanoscale Iron Particles for Remediation of Pentachlorophenol in Clay Soil.” 6th Symposium on Electrokinetic Remediation, Vigo, Spain. June 14, 2007.
  101. “Performance Assessment of Bioreactor Landfills.” Association of Environmental & Engineering Geologists-North Central Section Meeting, Chicago, IL. March 20, 2007.
  102. “Geotechnical Aspects of Bioreactor Landfills.” Keynote Presentation, Indian Geotechnical Conference, Indian Institute of Technology, Madras, India. December 15, 2006.
  103. “Physical and Chemical Groundwater Remediation Technologies.” NATO Advanced Study Institute on Overexploitation and Contamination of Shared Groundwater Resources: Management, (Bio)technological, and Political Approaches to Avoid Conflicts, Varna, Bulgaria. October 9, 2006.
  104. “Enhanced Aquifer Recharge.” NATO Advanced Study Institute on Overexploitation and Contamination of Shared Groundwater Resources: Management, (Bio)technological, and Political Approaches to Avoid Conflicts, Varna, Bulgaria. October 7, 2006.
  105. “Remediation of Contaminated Sediments.” Workshop on Remediation at 5th International Congress on Environmental Geotechnics, Cardiff, Wales, UK. June 29, 2006.
  106. “Technologies for Contaminated Sediment Remediation.” 3rd International Symposium on Contaminated Sediments, Shizuoka, Japan. May 24, 2006.
  107. “Integrated Electrochemical Remediation of Contaminated Sites: Challenges and Opportunities.” Colloquium Honoring Dr. Tamas Meggyes, Federal Institute for Materials Research and Testing (BAM), Berlin, Germany. February 24, 2006.
  108. “Dynamic Water Balance and Geotechnical Stability of Bioreactor Landfills.” Workshop on Waste Containment, Federal Institute for Materials Research and Testing (BAM), Berlin, Germany. February 21, 2006.
  109. “Soil and Geosynthetic Liner Systems for Municipal Solid Waste Landfills.” Keynote Presentation, INDEX 2006-International Conference on Infrastructure Development on Expansive Soils, Erode, India. February 2, 2006.
  110. “Interface Shear Behavior of Landfill Composite Liners.” Keynote Presentation, Japan-Korea Workshop on Geoenvironmental Engineering, Seoul National University, Seoul, Korea. June 4, 2005.
  111. “Subsurface Contaminant Remediation: Regulations and Case Studies.” Keynote Presentation, Indian Geotechnical Conference, Warangal, India. December 19, 2004.
  112. “Geoenvironmental Engineering for Pollution Control and Remediation.” Keynote Presentation, Symposium on Awareness of Geoenvironmental Engineering, J.N. Technological University, Kukatpally, Hyderabad, India. December 14, 2004.
  113. “Geoenvironmental Engineering: Challenges and Opportunities.” Keynote Presentation, National Symposium on Advances in Geotechnical Engineering (NSAGE-2004), Indian Institute of Sciences, Bangalore, India. July 23, 2004.
  114. “In-Situ Air Sparging for Contaminated Groundwater Remediation: Effects of System Variables.” Keynote Lecture, Fall Meeting of Korean Society of Soil and Groundwater Environment, Jeju, Korea. September 26, 2003.
  115. “Assessment and Remediation of Contaminated Sites.” Keynote Presentation, Indian Geotechnical Conference, Allahabad, India. December 21, 2002.
  116. “Geotechnics of Contaminated Site Remediation and Waste Containment: An Overview.” Keynote Presentation, Indian Geotechnical Conference, Indian Institute of Technology-Bombay, India. December 12, 2000.

 Invited Seminars, Webinars and Special Lectures

  1.  “Use of Life Cycle Assessment to Promote Sustainable Construction Materials and Buildings.” Invited Lecture, CSIR-CBRI Expert Lecture Series, CSIR-Central Building Research Institute, Roorkee, India, June 14, 2023
  2. “Sustainability and Resiliency-Based Innovation: Research and Practices in Geoenvironmental Engineering.” 19th Gerald A. Leonards Lecture, Purdue Geotechnical Society (PGS), Lyles School of Civil Engineering, Purdue University, West Lafayette, IN, May 5, 2023
  3. “Sustainability Assessment of Technologies to Remediate Groundwater Contaminated with PFAS.” International Webinar Series on Geoenvironmental Engineering, April 27, 2023
  4. “Sustainability and Resiliency in Geoenvironmental Engineering.” Guest Lecture, Civil Engineering Society, Indian Institute of Technology (BHU), Varanasi, India, April 12, 2023
  5. “Sustainable and Resilient Civil Infrastructure.” Invited Presentation, Prestige Institute of Engineering, Management & Research, Indore, IGS PIEMR Student Chapter, March 29, 2023
  6. “Use of Bentonite-Amended Fly Ash as Barrier Material in Waste Containment Systems: Life Cycle Assessment.” Invited Presentation, Shastri Conference and Lecture Series, Department of Civil Engineering, Indian Institute of Technology Dhanbad, March 24, 2023
  7. “Sustainability and Resiliency-Driven Innovation in Civil Engineering.” International Lecture Series in Civil Engineering, Amity School of Engineering and Technology, Amity University, India, February 16, 2023
  8. “Role of Biogeochemistry in Sustainable and Resilient Engineering.” Invited International Expert Talk, G H Raisoni College of Engineering, Nagpur, India, January 21, 2023
  9. “Leachate Recirculation and Bioreactor Landfills.” International Webinar Series on Geoenvironmental Engineering (online), December 2, 2022 [YouTube Video]
  10. “Polluted Soil and Groundwater Remediation Technologies.” 4th International Webinar Series on Latest Advancements in Geoenviro-Structural Confluence, ASCE India Section, South Zone, November 4, 2022.
  11. “Climate-Resilient Design of Civil Infrastructure.” Invited Lecture, SRM Institute of Science and Technology (SRMIST), Department of Civil Engineering, Kattankulathur, Tamil Nadu, India, July 25, 2022.
  12. “Engineered Barriers for Subsurface Pollution Control: Landfill Liners and Cutoff Walls.” R.V.R. & J.C. College of Engineering, Department of Civil Engineering, IGS Student Chapter, Chowdavaram, Guntur, A.P, India, July 23, 2022.
  13. “Recent Trends in Geoenvironmental Engineering.” Lecture, Vellore Institute of Technology, Vellore, Tamil Nadu, India, July 14, 2022.
  14. “Nanoscale Iron for Subsurface Remediation.” Division of Soil Mechanics and Foundation Engineering, Department of Civil Engineering, Anna University, Chennai, July 11, 2022.
  15. “Resilient and Sustainable Infrastructure: Role of Civil Engineers.” Koya Srinivasarao Endowment Lecture, Department of Civil Engineering, VR Siddhartha Engineering College, Kanuru, Vijayawada, AP, India, June 30, 2022
  16. “The Role of Soil Mechanics in Geoenvironmental Engineering.” Second Prof. Gopal Ranjan Memorial Lecture, Indian Geotechnical Society Roorkee Chapter & Department of Civil Engineering IIT Roorkee, June 27, 2022
  17. “Solid and E-Waste Management: Overview and Challenges.” Departments of Civil Engineering and Mechanical Engineering, Institute of Aeronautical Engineering (IARE) and ASCE India Section South Zone, Dundigal, Hyderabad, India, June 17, 2022
  18. “Geoenvironmental Engineering: Challenges and Opportunities.” Department of Civil Engineering, National Institute of Technology Calicut, India, June 9, 2022
  19. “Electrokinetic Remediation of Contaminated Sites.” 2nd International Webinar Series on Latest Advancements in Geoenviro-Structural Confluence, ASCE Indo-Sri Lanka Sections, Mahendra Engineering College, Namakkal, TN, India, June 5, 2022
  20. “Novel Sustainable Biogeochemical Cover for Mitigating Fugitive Landfill Gas Emissions.” Chapter Lecture, Indian Geotechnical Society Chennai Chapter, Indian Institute of Technology Madras, May 27, 2022
  21. “Geoenvironmental Engineering.” Field of Study Webinar Series, EducationUSA Advising Center, United States India Educational Foundation (USIEF), Chennai, India, May 24, 2022
  22. “Climate-Resilient Design of Civil Infrastructure.” B.V. Raju Institute of Technology (BVRIT), Vishnupur, Narsapur, Medak District, Telangana, India, April 18, 2022
  23. “Recent Advances in Geoenvironmental Engineering: Sustainability Issue.” International Webinar on Usage of Innovative Technologies and Solutions in Civil Engineering, Department of Civil Engineering, M S Ramaiah Institute of Technology, Bangalore, April 13, 2022
  24. “Climate Change Mitigation and Adaptation: Research Opportunities for Civil Engineers.” First International Webinar Series on Recent Advancements in Enviro-Structural Confluence, Organized by ASCE India-Sri Lanka Sections & Mahendra Engineering College on World Engineering Day, March 4, 2022.
  25. “Innovative Biochar-Slag-Soil Cover System for Zero Emissions at L” Online Webinar to Geoenvironmental Research Centre (GRC) at Cardiff University, UK, February 23, 2022.
  26. “Sustainable Resilient Site Remediation (SRSR): Overview and Perspectives for Implementation.” International Webinar Series on Geoenvironmental Engineering: Polluted Land, Waste Management & Sustainability/Resiliency, December 17, 2021 [YouTube Video]
  27. “Tiered Quantitative Assessment of Life Cycle Sustainability and Resilience (TQUALICSR): Framework for Design of Engineering Projects.” ASCE International Conference on Sustainable Infrastructure (ICSI 2021), Virtual, December 6, 2021 [YouTube Video]
  28. “Sustainable Engineering for Pollution Prevention and Control.” Department of Civil Engineering, G.H. Raisoni College of Engineering, Nagpur, India, on the occasion of National Pollution Control Day, December 2, 2021 [YouTube Video]
  29. Framework to Assess Sustainable and Resilient Civil Infrastructure.” Organized by ASCE India Section Southern Region, Mahendra Engineering College & Malnad College of Engineering, Department of Civil Engineering, India, November 5, 2021 [YouTube Video]
  30. “Life Cycle Sustainability Assessment of Civil Infrastructure: Framework and Case Studies.” 2021 Illinois Network Conference: Research Conference on Sustainability (Virtual), University of Illinois Springfield (UIS), October 29, 2021
  31. “Life Cycle Sustainability Assessment of Deep Foundations: Framework and Case Study.” IGS Warangal Chapter & Geotechnical Engineering Division, Department of Civil Engineering, NIT Warangal, AP, India, October 26, 2021
  32. “School is in Session: Sustainable Remediation.” Catch the Wave: Sustainable Remediation, Sustainable Remediation Forum (SURF) Interactive Workshop, September 22, 2021
  33. “Geoenvironmental Engineering: Evolution, Challenges and Opportunities.” Webinar, Department of Civil Engineering, Madan Mohan Malaviya University of Technology (MMUT), Gorakhpur, India, July 27, 2021 [YouTube Video]
  34. “Phytoremediation of Soils and Fill Materials with Mixed Contaminants: Laboratory and Field Investigations.”, International Webinar Series on Geoenvironmental Engineering, July 23, 2021 [YouTube Video]
  35. “Innovative Biogeochemical Cover System for Zero Emissions at Landfills.” International Society of Environmental Geotechnology (ISEG) Webinar New Challenges and Opportunities in Environmental Geotechnology, July 13, 2021
  36. “Geoenvironmental Engineering for Sustainable Development.” International Webinar Series on Advancement of Geotechnical Engineering, Organized by Kumaraguru College of Technology, Coimbatore, TN, India, May 27, 2021.
  37. “Protecting Geomembrane Liner from Damage due to Overlying Drainage Material in Landfills.” International Webinar Series on Geoenvironmental Engineering, May 21, 2021. [YouTube Video]
  38. “An Overview on Research in Geoenvironmental Engineering / Sustainable Engineering.” Webinar Organized by ASCE India Section Southern Region & ASCE Student Chapter at B.V. Raju Institute of Technology, India, May 15, 2021
  39. “Use of Shredded Scrap Tires as Drainage Material in Landfill Cover Systems: Laboratory Investigations and Field Application.” International Webinar Series on Geoenvironmental Engineering, April 23, 2021. [YouTube Video]
  40. Sustainable Groundwater Remediation at Coal Ash Pond Sites.” 30th Annual International Conference on Soil, Water, Energy, and Air (Virtual Conference), March 22, 2021.
  41. “Innovative Cover System for Zero Emissions at Landfills.” Webinar to Department of Civil, Environmental, and Infrastructure Engineering, George Mason University, Fairfax, VA, March 9, 2021.
  42. “Advances in Geoenvironmental Engineering.” GEOLIVE-2021: Geotechnical Engineering Webinar Series, School of Civil Engineering, Lovely Professional University, Punjab, India, February 25, 2021.
  43. Overview of Research on Geoenvironmental Engineering and Sustainable & Resilient Engineering.” Guest Lecture in HON201 Great Cities: UIC’s Metropolitan Commitment, University of Illinois at Chicago, February 10, 2021.
  44. “Containment Wall at DNAPL-Contaminated Site: Slurry Selection and Field Construction.” International Webinar Series on Geoenvironmental Engineering. January 15, 2021. [YouTube Video]
  45. “Advice for Students Interested in Conducting Research in Geoenvironmental Engineering.” Zoom Meeting with International Attendees, December 21, 2020. [YouTube Video]
  46. “Sustainability Assessment of Various Remediation Alternatives for Contaminated Lake Sediments: Case Study”, 5th Annual Live Streaming Geo-Institute Web Conference, ASCE Geoenvironmental Engineering Technical Committee, December 8, 2020.
  47. “Innovative Cover System for Zero Emissions at Landfills.” ENGEO Incorporated, San Jose, CA, Webinar, October 27, 2020.
  48. “Quantitative Sustainability Assessment of Various Remediation Alternatives for Contaminated Lake Sediments: Case Study.” AEHS 36th Annual International Conference on Soils, Sediments, Water, and Energy, October 21, 2020.
  49. “Geotechnical and Geoenvironmental Engineering Research: Relevant to Mining Industry.” International Webinar on “Opportunities for Higher Education and Research in Mining Engineering & Interdisciplinary Areas”, Dept. of Mining Engineering, NITK, Surathkal, India, September 25, 2020. [YouTube Video]
  50. “Chicago, USA: A Model City for Sustainable Infrastructure and Environment.” Webinar, NRI Institute of Technology, AP, India, July 17, 2020.
  51. “Status and Challenges in Geoenvironmental Engineering.” Department of Civil Engineering, S.V.U College of Engineering, Tirupati, India, January 4, 2020.
  52. “Sustainable Engineering: Challenges and Applications.” Sree Vidyanikethan Engineering College, Tirupati, India, January 2, 2020.
  53. “Geoenvironmental Engineering: Challenges and Opportunities.” Department of Environmental Engineering, Delhi Technical University, New Delhi, India, December 31, 2019.
  54. “Climate Change, Resiliency, and Sustainability: Perspectives on Engineering Challenges.” Institute Lecture, Indian Institute of Technology (ISM) Dhanbad, India, August 21, 2019.
  55. “Walk the Talk: Incorporating Sustainability in Engineering Design.” Departments of Civil Engineering & Environmental Engineering, Dokuz Eylül University, Izmir, Turkey, April 25, 2018.
  56. “Waste Management and Landfill Engineering.” Indian Institute of Technology Hyderabad, India, March 5, 2018.
  57. “Current Research in Geoenvironmental Engineering.” National Institute of Technology Suratkal, Department of Civil Engineering, India, January 2, 2018.
  58. “Sustainability in Civil and Environmental Engineering.” Indian Institute of Technology Kharaghpur, India, December 29, 2017.
  59. “Biocovers for Mitigation of Landfill Gas Emissions.” Ecology & Evolution Group, Department of Biological Sciences, UIC, October 26, 2017.
  60. “Life Cycle Sustainability Assessment in Geotechnical and Geoenvironmental Engineering.” Department of Civil Engineering, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil, May 3, 2017.
  61. “Climate Change, Resiliency and Sustainability: Perspectives on Engineering Challenges.” UNC Charlotte: Department of Civil & Environmental Engineering, Seminar, September 29, 2016.
  62. “Geoenvironmental Engineering Challenges and Opportunities.” Indian Geotechnical Society-Bhubaneswar Chapter, Bhubaneshwar, India, August 4, 2016.
  63. “Sustainable Urban Infrastructure and Environment: Chicago Example.” College of Engineering, Bhubaneswar, India, July 31, 2016.
  64. “Resilient and Sustainable Site Remediation: New Pathway Forward.” State University of Rio de Janeiro, Brazil May 5, 2016.
  65. “Protecting Beaches from Urban Stormwater Contamination.” UIC Freshwater Lab and EOHS Seminar Class on Water and Health, April 5, 2016.
  66. “Permeable Reactive Filter System for Treatment of Urban Stormwater Runoff.” EWRI Sustainability Committee Meeting Webinar, March 16, 2016.
  67. “Sustainable Design of Civil Infrastructure Systems.” Department of Civil Engineering, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil, July 24, 2015.
  68. “Use of Biochar as Soil Cover Amendment for Landfill Gas Mitigation.” China University of Mining and Technology, Beijing, China, December 29, 2014.
  69. “Biochar as a Landfill Cover Amendment for Methane Mitigation: Coupled Field and Laboratory Investigations.” School of Environment, Tsinghua University, December 25, 201 4.
  70. “Green and Sustainable Remediation of Polluted Sites.” School of Environment, Tsinghua University, Beijing, China, December 24, 2014.
  71. “Green and Sustainable Remediation of Polluted Sites.” Department of Civil and Environmental Engineering, Syracuse, NY, October 31, 2014.
  72. “Social Metrics for Sustainable Remediation.” AECOM Webinar, Green/Sustainable Remediation (GSR) Technical Practice Group (TPG), May 27, 2014.
  73. “Solid Waste Disposal Challenges.” Department of Civil Engineering, Osmania University, Hyderabad, India. August 12, 2013.
  74. “Waste Dumps: Problems and Solutions.” N. Technological University, Hyderabad, India. August 7, 2013.
  75. “Electrokinetic Remediation of Contaminated Sites.” Dipartimento di Ingegneria Civile, Edile e Ambientale, Università degli Studi di Roma “La Sapienza,” Rome, Italy. July 5, 2013.
  76. “Leachate Recirculation in Bioreactor Landfills.” Department of Geotechnical Engineering, School of Civil Engineering, Tongi University. China, May 23, 2013.
  77. “Green and Sustainable Remediation of Polluted Sites.” Department of Civil Engineering, Zhejiang University, Hangzhou, China. May 22, 2013.
  78. “Green and Sustainable Remediation of Polluted Sites.” Institute of Soil Science, Chinese Academy of Sciences, Nanjing, China. May 21, 2013.
  79. “Electrochemical Remediation of Polluted Soils and Groundwater.” Department of Geo-Engineering and Geo-informatics, Nanjing University, Nanjing, China. May 20, 2013.
  80. “Lactate-modified Nanoscale Iron Particles for the Remediation of Recalcitrant Organic Contaminants in Soils and Groundwater.” Institute of Geotechnical Engineering, School of Transportation, Southeast University, Nanjing, China. May 19, 2013.
  81. “Use of Biochar in Landfill Cover Systems to Enhance Methane Oxidation, Institute of Geotechnical Engineering, School of Transportation, Southeast University, Nanjing, China. May 19, 2013.
  82. “Green and Sustainable Remediation of Polluted Sites.” Department of Civil Engineering, University of Calgary, Canada. December 17, 2012.
  83. “Electrochemical Remediation of Soils and Groundwater.” Department of Civil and Environmental Engineering, University of Michigan, Ann Arbor, MI. October 24, 2012.
  84. “Electrochemical Remediation of Polluted Soils and Groundwater.” Department of Civil Engineering, Indian Institute of Science, Bangalore, India. July 9, 2012.
  85. “Landfill Liner and Cover Systems.” Indian Geotechnical Society/Indian Institute of Technology, Chennai, India. June 22, 2012.
  86. “Overview of Structural Foundations in Chicago.” Department of Civil Engineering, SV University, Tirupati, India. June 19, 2012.
  87. “Study on Leachate Recirculation at Orchard Hills Landfill.” USEPA Region 5 RDD Bioreactor Webinar. February 27, 2012.
  88. “Biochar-amended Soil Cover for Mitigation of Methane Emissions.” Geosyntec Consultants, Chicago, IL. February 7, 2012.
  89. “Monitoring of Leachate Recirculation and its Effects on Municipal Solid Waste at Bioreactor Landfills.” Department of Civil Engineering, Hong Kong University, Hong Kong. May 6, 2011.
  90. “Green and Sustainable Remediation of Polluted Sites.” Sustainability Lunch and Learn Seminar Series, Office of Vice Chancellor for Sustainability, University of Illinois at Chicago, Chicago, IL. December 9, 2010.
  91. “Lactate-modified Nanoscale Iron Particles for In-situ Dehalogenation of Organic Pollutants.” Department of Building, Civil and Environmental Engineering, Concordia University, Montreal, Quebec, Canada. August 26, 2010
  92. “Green and Sustainable Site Remediation: Is it Hands-off Approach to do Nothing?” UIC/CME Environmental Research Seminar Series, University of Illinois at Chicago, Chicago, IL. March 10, 2010.
  93. “Leachate Recirculation and Geotechnical Stability of Bioreactor Landfills.” Department of Civil Engineering, Indian Institute of Science, Bangalore, India. August 26, 2009.
  94. “Nanotechnology for Decontamination of Polluted Soils and Groundwater.” Environmental Occupational Health Sciences, School of Public Health, University of Illinois at Chicago, Chicago, IL. May 21, 2009.
  95. “Containment of Groundwater Pollution: A Case Study.” College of Engineering, J.N. Technological University, Kukatpally, Hyderabad, India. December 16, 2008.
  96. “Climate Change and Water Crisis.” Two-days seminar for UIC Chicago Teachers-As-Scholars program, organized by the University of Illinois at Chicago Graduate College, Chicago Newberry Library, Woodrow Wilson Foundation, Polk Foundation, and Fry Foundation. November 18-19, 2008.
  97. “Bioreactor Landfills: New Paradigm in Design and Operation of Municipal Solid Waste Landfills.” Department of Civil, Architectural & Environmental Engineering, Illinois Institute of Technology, Chicago, IL. February 20, 2008.
  98. “Field Monitoring and Performance Evaluation of Bioreactor Landfills.” UIC/CME Environmental and Water Resources Seminar Series, University of Illinois at Chicago, Chicago, IL. March 16, 2007.
  99. “Geotechnics of Bioreactor Landfills.” SV University and Indian Geotechnical Society Tirupati Chapter, Tirupati, India. December 19, 2006.
  100. “Overview of Geotechnical and Geoenvironmental Engineering at UIC.” Burns & McDonnell Company, Downers Grove, IL. November 9, 2006.
  101. “Environmental Remediation Research: Focus on Contaminated Sediments.” USEPA Great Lakes National Program Office (GLNPO), Chicago, IL. August 24, 2006.
  102. “Environmental Pollution Control and Remediation: An Overview.” UIC/CME Environmental Research Seminar Series, University of Illinois at Chicago, Chicago, IL. January 13, 2006.
  103. “Settlement of Municipal Solid Waste in Conventional and Bioreactor Landfills.” Department of Civil and Environmental Engineering, University of Illinois at Urbana-Champaign, Urbana, IL. April 21, 2005.
  104. “Interface Shear Behavior of Composite Liner Systems.” Department of Civil and Environmental Engineering, Wayne State University, Detroit, MI, March 28, 2005.
  105. “Geoenvironmental Engineering Education and Research at UIC.” Institute of Environmental Science and Policy Steering Committee Meeting, November 2003, and ASCE Student Chapter Meeting, Chicago, IL. February 9, 2004.
  106. “Electrokinetically Enhanced In-Situ Remediation of Contaminated Sites.” Korea Advance Institute for Science and Technology (KAIST), Department of Chemical and Biomolecular Engineering, Dajeon, Korea. September 24, 2003.
  107. “Electrokinetically Enhanced In-Situ Remediation of Contaminated Soils.” Department of Civil & Environmental Engineering, University of Massachusetts, Amherst, MA. October 23, 2002.
  108. “Characterization and Remediation of Brownfield Sites.” Guest Lecture, Course on Brownfields, University of Illinois at Chicago Urban Transportation Center, Chicago, IL. October 8, 2001.
  109. “Electrokinetic Remediation of Contaminated Soils.” Department of Engineering Science, Oxford University, Oxford, UK. August 15, 2001.
  110. “Electrokinetic Remediation of Contaminated Sites.” Environmental Protection Training and Research Institute (EPTRI), Hyderabad, India. December 20, 2000.
  111. “Environmental Geotechnology: An Overview.” College of Engineering, Jawaharlal Nehru Technological University (JNTU), Hyderabad, India. December 19, 2000.
  112. “Remediation of Contaminated Soils and Groundwater at Brownfield Sites.” Guest Lecture, Course on Brownfields, University of Illinois at Chicago Urban Transportation Center. October 17, 2000.
  113. “Use of Shredded Scrap Tires as Drainage Material in Landfill Covers.” Department of Civil, Urban, and Geosystem Engineering, Seoul National University, South Korea. July 4, 2002.
  114. “Remediation of Soils Contaminated with Heavy Metals.” Midwest Metals Meeting, University of Illinois at Chicago, Chicago, IL. May 12, 2002.
  115. “Adaptive Electrokinetic Remediation of Contaminated Soils and Groundwater.” School of Civil Engineering, Purdue University, West Lafayette, IN. September 20, 2000.
  116. “Remediation of Hazardous Waste Sites.” Department of Civil Engineering and Construction Technology, Bradley University, Peoria, IL. April 13, 2000.
  117. “New Strategies for the In-Situ Remediation of Contaminated Soils and Groundwater.” American Society of Civil Engineers- Geotechnical Group Meeting, Chicago, IL. December 2, 1997.
  118. “New Strategies for the In-Situ Containment and Remediation of Contaminants in Soils and Groundwater.” Department of Earth and Environmental Sciences, University of Illinois at Chicago, Chicago, IL. November 20, 1997.
  119. “Soil Compositional Influence on Electrokinetic Remediation of Chromium-Contaminated Sites.” Institute of Gas Technology, Des Plaines, IL, August 31, 1995.
  120. “Air Sparging for Groundwater Remediation.” Illinois Groundwater Association, Utica, IL. March 22, 1995.
  121. “Design of Waste Containment Systems- Two Case Studies.” University of Illinois at Chicago, Chicago, IL. May 27, 1993.

Invited Symposia and Workshop Presentations

  1. “Addressing Sustainability and Resiliency in Geoenvironmental Engineering.” 5-Day Workshop on “Sustainable Geoenvironmental Practices: Hazard Mitigation and Environmental Protection”, SERB-VAJRA Initiative, IIT Indore, March 31, 2023
  2. “Bioreactor Landfills: Design Considerations, Coupled Dynamic Processes and Modeling.” 5-Day Workshop on “Sustainable Geoenvironmental Practices: Hazard Mitigation and Environmental Protection”, SERB-VAJRA Initiative, IIT Indore, March 30, 2023
  3. “Sustainable Biogeochemical Cover for Zero Emissions at Landfills.” 5-Day Workshop on “Sustainable Geoenvironmental Practices: Hazard Mitigation and Environmental Protection”, SERB-VAJRA Initiative, IIT Indore, March 29, 2023
  4. “Nanoscale Iron for Subsurface Remediation.” 5-Day Workshop on “Sustainable Geoenvironmental Practices: Hazard Mitigation and Environmental Protection”, SERB-VAJRA Initiative, IIT Indore, March 28, 2023
  5. “Contaminated Sites and Electrokinetic Remediation Technology.” 5-Day Workshop on “Sustainable Geoenvironmental Practices: Hazard Mitigation and Environmental Protection”, SERB-VAJRA Initiative, IIT Indore, March 27, 2023
  6. “Addressing Sustainability and Resiliency in Geoenvironmental Engineering.” One-Day Seminar on Advances in Geoenvironmental Engineering, Department of Civil Engineering IIT Madras & Indian Geotechnical Society Chennai Chapter, July 28, 2022.
  7. “Overview of Geoenvironmental Engineering: Engineered Landfills, Site Remediation, and Recycling Waste.” One-Day Seminar on Advances in Geoenvironmental Engineering, Department of Civil Engineering IIT Madras & Indian Geotechnical Society Chennai Chapter, July 28, 2022.
  8. “Shear Response of Geosynthetic Interfaces in Landfill Liner Systems.” One-Day National Seminar on Geosynthetics and Natural Fibers, Department of Civil Engineering, Indian Institute of Technology Madras, India, June 24, 2022
  9. “Integrated Waste Management and Landfill Engineering: Sustainability Perspectives.” One Day Symposium on Geoenvironmental Aspects of Landfills and Sustainability, Ramaiah Institute of Technology, Bangalore, India, June 3, 2022
  10. “Life Cycle Sustainability and Resilience Assessment of Built-Infrastructure: Framework and Case Studies.” Keynote Presentation (Online), International Technological Sciences and Design Symposium (ITESDES- Giresun 2022), Giresun University, Turkey, June 2, 2022
  11. “Integrating Sustainability in Climate Change Adaptation and Mitigation Engineering.” Workshop on “Integrating Climate Action in the Development Planning of Puducherry Union Territory”, Puducherry, May 6, 2022
  12. “Evolution of Environmental Remediation to Sustainable Resilient Remediation.” Invited Presentation (Online), Workshop on The Decade of Soil Restoration. Centro de Investigación y Desarrollo Tecnológico en Electroquímica, S. C., Pedro Escobedo, Qro., March 14, 2022
  13. “Geoenvironmental Engineering: Challenges and Opportunities.” Workshop to Commemorate the 50th Anniversary of PPGEC, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, Brazil, November 12, 2020. [YouTube Video]
  14. Advancing Sustainability Objectives Via Resiliency Planning & Engineering.” Online Seminar on “Science and Technology from the Perspective of Sustainable Development,” University of Passo Fundo, Brazil, October 16, 2020. [YouTube Video]
  15. “Career Opportunities in Civil Engineering.” Lovely Professional University Punjab, India, August 10, 2020. [YouTube Video]
  16. “Geoenvironmental Engineering & Sustainability: Outlook.” Workshop on Emerging Geoenvironmental Engineering Technologies & Sustainability, Indian Institute of Technology (BHU) & Indian Geotechnical Society Varanasi, Varanasi, August 16, 2019.
  17. “Geoenvironmental Engineering, Sustainability and Resiliency.” International Workshop on Advances in Geoenvironmental Engineering and Sustainability, IGS Patna Chapter, August 3, 2019.
  18. “Sustainability and Resiliency in Geotechnical Engineering.” Richard J. Finno Symposium on Geotechnical Engineering, Northwestern University, Evanston, IL, July 20, 2019.
  19. “Climate Change, Resiliency, and Sustainability: Broader Challenges to Urban Planning and Infrastructure.” Workshop on Planning and Construction of Sustainable Cities, National University of Córdoba, Córdoba, Argentina, May 28, 2019.
  20. “Infrastructure Sustainability Assessment Tools: LEED, Envision & LCA.” Workshop on Planning and Construction of Sustainable Cities, National University of Córdoba, Córdoba, Argentina, May 29, 2019.
  21. “Framework to Integrate Sustainability into Civil and Environmental Engineering Projects.” Workshop on Planning and Construction of Sustainable Cities, National University of Córdoba, Córdoba, Argentina, May 30, 2019.
  22. “Green and Sustainable Remediation of Polluted Sites.” Workshop on Planning and Construction of Sustainable Cities, National University of Córdoba, Córdoba, Argentina, May 31, 2019.
  23. “Perspectives on Solid Waste Management and Waste Dumps.” Workshop on Urban Waste Management, Indian Institute of Technology Delhi, December 12, 2017.
  24. “Sustainable Biochar-amended Soil Cover Systems for Landfill Gas Mitigation.” Geological, Mining, and Geotechnical Engineering 2nd Technical Conference and Alumni Reunion, University of Wisconsin-Madison, Madison, WI, September 14, 2017
  25. “Application of Life Cycle Assessment to Geotechnical and Geoenvironmental Projects.” Purdue Geotechnical Society Workshop Program, Purdue University, West Lafayette, IN, April 21, 2017
  26. “Coupled Hydro-Bio-Mechanical Modeling of Bioreactor Landfills: New Modeling Framework and Research Challenges.” US-India Workshop on Establishing Linkages between Geoenvironmental Practices and Sustainability, Chicago, August 18, 2016.
  27. “Geophysical Imaging of Landfill Interiors: Examples from Northern Illinois, USA.” US-India Workshop on Establishing Linkages between Geoenvironmental Practices and Sustainability, Chicago, August 18, 2016. (With Phil Carpenter, NIU)
  28. “Bioengineered Systems and Role of Geochemistry: New Research Developments.” US-Japan Workshop on Geoenvironmental Engineering, August 14, 2016.
  29. “Fundamental Research on Geochemical Processes for the Development of Resilient and Sustainable Geosystems.” NSF Workshop on Geotechnical Fundamentals in the Face of New World Challenges, Washington, D.C., July 16, 2016.
  30. “Sustainable Biocover System for Methane Oxidation in Landfills.” Department of Civil Engineering, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil, November 14, 2015.
  31. “Sustainable Stormwater Infrastructure,” Water After Borders Summit, University of Illinois at Chicago, April 24, 2015.
  32. “PCBs in Soils and Their Remediation.” Workshop on a Persistent Pollutant: PCBs and Their Impact on Illinois, Illinois Sustainability Technology Center, Chicago, Illinois, September 17, 2014.
  33. “Evaluation of Biochar as a Potential Filter Media for the Removal of Mixed Contaminants from Urban Stormwater Runoff.” Midwest Biochar Conference, Champaign, Illinois, August 8, 2014.
  34. “Bioreactor Landfills: State-of-the-Practice & Research Challenges.” Symposium on Landfill Engineering: Perspectives and Practices, Indian Institute of Technology Hyderabad, India. August 5, 2013.
  35. “Development of Biochar-amended Soil Cover for Landfill Gas Mitigation.” Illinois Biochar Group Meeting, Urbana, IL. November 7, 2011.
  36. “Green and Sustainable Remediation: Incorporating in Curricula.” Interstate Technology & Regulatory Council, Fall Meeting, Denver, CO. October 28, 2011.
  37. “Contaminated Site Remediation Using Nanotechnology.” Nanoscience Working Group, University of Illinois at Chicago, Chicago, IL, April 24, 2007.
  38. “Remedial Options for Contaminated Sediments.” Symposium on Contaminated Sediments: Challenges and Opportunities, ACS National Meeting, Chicago, IL, March 29, 2006.
  39. “Transport of Modified Reactive Nanoscale Iron Particles in Subsurface Soils.” U.S. EPA Workshop on Nanotechnology for Site Remediation, Chicago, IL, September 6, 2006.
  40. “Electrochemical Remediation of Mixed Contaminants in Soils.” 27th Annual Midwest Environmental Chemistry Workshop, University of Wisconsin, Madison, WI, October 17, 2004.
  41. “Subsurface Contaminant Remediation: Regulations and Case Studies.” Workshop on Remediation of Contaminated Soils and Groundwater in Korea, Jeju, Korea, September 25, 2003.
  42. “Mathematical Modeling of Air Sparging.” Symposium on Emerging Technologies in Hazardous Waste Management, 224th ACS National Meeting, Boston, MA, August 19, 2002.
  43. “Chelated Iron in Fenton-Like Oxidation of Organic Contaminants in Soils.” Symposium on Emerging Technologies in Hazardous Waste Management, 224th ACS National Meeting, Boston, MA, August 19, 2002.
  44. “Electrokinetic Remediation Modeling Incorporating Geochemical Reactions.” Symposium on Emerging Technologies in Hazardous Waste Management, 224th ACS National Meeting, Boston, MA, August 18, 2002.
  45. “Remediation of DNAPLs in Groundwater using In-Situ Air Sparging.” The 6th International Symposium on Environmental Geotechnology and Global Sustainable Development, Seoul, Korea, July 5, 2002.
  46. “Technologies for the Remediation of Mercury-Contaminated Soils.” The 6th International Symposium on Environmental Geotechnology and Global Sustainable Development, Seoul, Korea. July 3, 2002.
  47. “Transmissivity Behavior of Shredded Scrap Tire Drainage Layer in Landfill Cover System.”6th International Symposium on Environmental Geotechnology and Global Sustainable Development, Seoul, Korea, July 3, 2002.
  48. “Protection of Geomembranes from Mechanical Damage.” Short Course on Constructing with PVC Geomembranes.” PVC Geomembrane Institute, Naperville, IL, July 21, 2000.
  49. “Removal of HOCs from Heterogeneous Soils Using Electrokinetically Enhanced Surfactant/Cosolvent Flushing.” Symposium on Emerging Technologies: Waste Management in the 21st Century, American Chemical Society, San Francisco, CA, March 29, 2000.
  50. “Integrated Electrokinetic Technology for the Remediation of Contaminated Soils and Groundwater.” Symposium on Environmental Science & Technology, University of Illinois at Chicago, Chicago, IL, February 16, 2001.
  51. “Field Assessment of Air Sparging for Remediation of LUST Sites.” Environmental Professionals of Iowa Fall Symposium, Ames, IA, November 17, 2000.
  52. “Electrokinetic Remediation of Low Permeability Soils Contaminated by Polycyclic Aromatic Hydrocarbons.” ASTM Symposium, Reno, NV, January 25, 2001.
  53. “Geochemistry of Chromium during Electrokinetic Remediation.” 4th International Symposium on Environmental Geotechnology and Global Sustainable Development, Boston (Danvers), MA, August 11, 1998.
  54. “Speciation of Heavy Metals in Clays during Electrokinetic Remediation.” ACS I&EC Special Symposium, Pittsburgh, PA, September 16, 1997.
  55. “The Effect of Grain Size Distribution on Air Sparging Efficiency.” Fourth International Symposium on In Situ and On-Site Bioremediation, New Orleans, LA, April 29, 1997.
  56. “Geochemical Characterization of Heavy Metals in Clays during Electrokinetics.” Committee on Physicochemical Phenomenon in Soils, Transportation Research Board Meeting, Washington, D.C, January 14, 1997.
  57. “Electrokinetic Removal of Chromium from Glacial Clays.” Eighth International IGT Symposium on Gas, Oil, and Environmental Biotechnology, Colorado Springs, CO, December 1995.
  58. “New Applications of Shredded Scrap Tires and Glass Cullet in Civil Engineering.” OSWR Solid Waste Research Symposium, Rosemont, IL. March 29, 1995.
  59. “Seismic Performance Evaluation of Solid Waste Landfills in Illinois.” OSWR Solid Waste Research Symposium, Rosemont, IL. March 28, 1995.
  60. “Development of Rational Design Method for Landfill Liner Protective Soil Cover.” OSWR Solid Waste Research Symposium, Rosemont, IL. March 28, 1995.
  61. “Contaminant Transport through Landfill Composite Liners.” OSWR Solid Waste Research Symposium, Rosemont, IL. March 28, 1995.
  62. “Deformation Characteristics of Landfill Composite Liners under Incremental Refuse Loading Conditions.” OSWR Solid Waste Research Symposium, Rosemont, IL March 28, 1995.

 Short Course Presentations

  1.  Geotechnical and Geoenvironmental Engineering for Climate Disaster Resiliency and Sustainable Development, Keynote Presentation, Faculty Development Program on “Recent Trends In Geotechnical Engineering From Research To Practice“, Civil Engineering Department, Vasavi College of Engineering, Hyderabad, India, May 1, 2023
  2. “A Boulevard to Neoteric Geotechnical Engineering.” Invited Presentation (Online), Faculty Development Program, Department of Civil Engineering, Meenakshi Sundararajan Engineering College, Chennai, India, December 19, 2022
  3. “Application of Artificial Intelligence, Machine Learning, and Deep Learning in Contaminated Site Remediation.” Invited Presentation (Online), Faculty Development Program, Organized by Department of Civil Engineering, R.V.R. & J.C. College of Engineering, Guntur & Indian Geotechnical Society Guntur Chapter, November 4, 2022.
  4. “Sustainable Remediation of Polluted Soils and Sediments.” Invited Presentation (Online), Short-Term Course on Advances in Transportation and Environmental Geotechnics (ATEG-2022), NIT Hamirpur, India, April 5, 2022
  5. “Sustainability Assessment of Highway Pavement with Recycled Aggregate Subbase.” FDP on Innovation in Civil Engineering Materials & Techniques for Sustainable Development (ICEMTSD – 2021), Civil Engineering Department, National Institute of Technology Silchar, India, November 20, 2021
  6. “Risk, Sustainability, and Resiliency Considerations in Polluted Site Remediation.” International Faculty Development Program: Sustainable Developments and Practices in Geotechnical and Geoenvironmental Engineering, Department of Civil Engineering, Rajagiri School of Engineering & Technology, Kochi, Kerala, India, October 20, 2021 [YouTube Video]
  7. Sustainable In-Ground Reactive Filters for Urban Stormwater Treatment.” AICTE Sponsored One Week Online ATAL FDP on “Environment and Sustainability: Need of the Day (ESND), Sree Vidyanikethan Engineering College, Department of Civil Engineering, Tirupati, India, September 14, 2021. [YouTube Video]
  8. “End Use of Closed Landfills.” Short-Term Course on Design of Landfills and Waste Containment Systems, Indian Institute of Technology, Bhubaneswar, India, July 9, 2021[YouTube Video]
  9. “Gas Generation and Management.” Short-Term Course on Design of Landfills and Waste Containment Systems, Indian Institute of Technology, Bhubaneswar, India, July 6, 2021 [YouTube Video]
  10. “Landfill Laws and Regulations.” Short-Term Course on Design of Landfills and Waste Containment Systems, Indian Institute of Technology, Bhubaneswar, India, July 5, 2021 [YouTube Video]
  11. “Leachate Recirculation and Bioreactor Landfills.” Solid Waste Landfill Design Short Course (Virtual), University of Wisconsin-Madison, March 25, 2021.
  12. “Coal Mine Refuse and Coal Ash Disposal Sites: Groundwater Management Zones and Remediation Options.” International Virtual Short-Term Course on Futuristic Prospects of Geoenvironmental and Geotechnical Issues of Coal Mine Overburden and Mine Tailings, March 16, 2021.
  13. “Climate Resilient Design of Civil Infrastructure.” Short Term Training Program (STTP) on Sustainable Materials & Resilient Buildings: Philosophy, Design, Implementation, and Performance, Kakatiya Institute of Technology & Science, Warangal, India, February 17, 2021.
  14. Use of Life Cycle Assessment to Promote Sustainable Construction Materials and Buildings.” Training Program on Sustainable Materials & Resilient Buildings: Philosophy, Design, Implementation, and Performance, Kakatiya Institute of Technology & Science, Warangal, India, November 24, 2020.
  15. “Walk the Talk: Quantifying Sustainability in Engineering Projects.” National Online Faculty Development Program on Sustainable Engineering, Department of Civil Engineering, Sree Vidyanikethan Engineering College, Tirupati, India, August 27, 2020. [YouTube Video]
  16. “Redevelopment of Contaminated Sites.” Indo-USA Faculty Development Program, Geotechnics for Infrastructure Development, College of Engineering & Indian Geotechnical Society Chapter, Pune, India, August 9, 2020.

Conference Presentations

  • In addition to the above invited presentations, over 100 presentations were made at various conferences on a wide range of topics