Plenary and Keynote Presentations

  • “Innovative Biochar-Slag-Soil Cover System for Zero Emissions at Landfills.” Keynote Presentation, 5th GeoShanghai International Conference on Geotechnical Engineering (GeoShanghi 2024), Shanghai, China, May 29, 2024
  • “Quantifying Climate Resilience of Infrastructure.” Keynote Presentation, International Conference on Civil, Environmental, and Construction Technology (CECT-2024), Graphic Era University, Dehradun, India, May 18, 2024
  • “Infrastructure Design for Climate Change.” Keynote Presentation, International Conference on Engineering and Technological Innovation for Sustainable Development (ICETISD-2024), Poornima University, Vidhani, India, April 27, 2024
  • Urban Infrastructure: Innovation and Sustainability.” Keynote Lecture, International Conference on Recent Advances in Infrastructure Development (RAID 2024), National Institute of Technology, Calicut, India, February 13, 2024
  • “Innovative Biogeochemical Cover System for Zero Emissions at Landfills.” First International Conference on Pollution Control for Clean Environment (ICPCCE-2023), Indian Institute of Technology, Bhubaneswar, India, December 15, 2023
  • “Polluted Lands: Remediation Technologies.” International Conference on Generic and Pedagogical Research Evolutions in Civil Engineering and Its Allied Sciences (IC-GPREC 2023), G. Pulla Reddy Engineering College, Kurnool, India, November 10, 2023
  • “Utilization of Generative Artificial Intelligence (GenAI) in Geoenvironmental Engineering.” Keynote Presentation, 5th International Conference on Environmental Geotechnology, Recycled Waste Materials, and Sustainable Engineering (EGRWSE), NIT Jalandhar, India, October 25, 2023
  • “Grand Challenges and Advancing Sustainability and Resilience through Innovative Engineering.” Keynote Presentation, International Conference on Academic & Industrial Innovations in Engineering (ICAIIE-2023), P P Savani University (PPSU), School of Engineering, Surat, India, August 12, 2023
  • “Integrating Sustainability into Civil Engineering Curriculum and Infrastructure Design.” Invited keynote presentation, International Conference on Sustainable Experimentation and Modeling in Civil Engineering (SEMCE-2023), Department of Civil Engineering, Lovely Professional University, Punjab, India, August 11, 2023
  • “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
  • “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
  • “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
  • “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
  • “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
  • “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
  • “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.
  • “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
  • “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,
  • “Electrokinetic Remediation of Polluted Heterogeneous Subsurface Environments.” Invited Presentation (Online), Geo-Institute 7th Annual Live Streaming Web Conference, December 6, 2022.
  • “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.
  • “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.
  • “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.
  • “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.
  • “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.
  • “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
  • “Addressing Sustainability and Resiliency in GeoEngineering.” Keynote Presentation (Online), 3rd International Conference on Geotechnical Engineering-Iraq-2022, Baghdad, Iraq, May 29, 2022
  • “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
  • “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
  • “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.
  • “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.
  • “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
  • “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]
  • “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
  • “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
  • “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
  • “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
  • “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
  • “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.
  • “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.
  • “Climate Resilient Design of Built-Infrastructure.” 3rd International Conference on Engineering Challenges in Gulf Countries (Virtual), IEI Kuwait Chapter, January 22, 2021.
  • “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.
  • “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.
  • “Biogeochemical Cover System for Mitigation of Gas Emissions at Waste Dumps and Landfills.” Indian Geotechnical Conference (IGC-2019), Surat, Gujarat, India, December 19, 2019.
  • “Electrokinetic Remediation of Mercury-Contaminated Soils.” The 17th International Symposium on Electrokinetic Remediation (EREM 2019), San Miguel de Allende, Guanajuato, México, September 26, 2019
  • “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.
  • “Risk, Sustainability and Resiliency Considerations in Polluted Site Remediation.” 8th International Congress on Environmental Geotechnics, Hangzhou, China, October 28, 2018.
  • “Geothermal Heating/Cooling System at University of Illinois-Chicago.” DFI Energy Foundations Seminar, University of Illinois at Chicago, September 18, 2018.
  • “Framework for Integrating Sustainability into Electrokinetic Remediation Projects.” EREM2018 XVI. International Symposium on Electrokinetic Remediation, Canakkale, Turkey, August 6, 2018.
  • “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.
  • “Sustainability and Resiliency in Civil and Environmental Engineering.” 3rd International Conference on Civil and Environmental Engineering (ICOCEE), Cesme, Turkey, April 24, 2018.
  • “Role of Geochemistry in Sustainable Geotechnics.” International Conference on Environmental Geotechnology, Recycled Waste Materials, and Sustainable Engineering (EGRWSE-2018), NIT Jalandhar, March 29, 2018.
  • “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.
  • “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.
  • “Waste Management and Landfill Engineering.” International Seminar on Latest Trends in Structural Engineering and Geo-Environmental Engineering (LTSEGEE-2018), Visakhapatnam, India, March 2, 2018.
  • “Polluted Soil and Groundwater Remediation.” International Seminar on Latest Trends in Structural Engineering and Geo-Environmental Engineering (LTSEGEE-2018), Visakhapatnam, India, March 3, 2018.
  • “Addressing Sustainability in Civil Engineering.” International Seminar on Latest Trends in Structural Engineering and Geo-Environmental Engineering (LTSEGEE-2018), Visakhapatnam, India, March 3, 2018.
  • “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.
  • “Geoenvironmental Engineering for Pollution Control.” Indian Geotechnical Society Kolkata Chapter, Jadavpur University, Kolkata, India, December 30, 2017.
  • “Addressing Sustainable Technologies in Geotechnical and Geoenvironmental Engineering.” Indian Geotechnical Conference, Indian Institute of Technology Guwahati, December 15, 2017.
  • “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.
  • “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.
  • “Practical Technologies for Polluted Site Remediation: USA Perspective.” The 3rd China National Symposium on Geoenvironmental Engineering, Nanjing, China, November 12, 2016.
  • “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.
  • “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.
  • “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.
  • “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.
  • “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.
  • “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.
  • “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.
  • “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.
  • “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.
  • “Slope Stability of Waste Dumps and Landfills: State-of-the-Art and Future Challenges.” Indian Geotechnical Conference (IGC2014), Kakinada, India, December 18-20, 2014.
  • “Integrating Sustainability into Civil Infrastructure Design.” International Conference on Sustainable and Innovative Construction Technologies (ICSICT 2014), Karunya University, Coimbatore, India, December 15-16, 2014.
  • “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.
  • “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.
  • “Future Directions for Electrokinetic Remediation Research.” 13th symposium on electrokinetic remediation (EREM2014), University of Málaga (UMA), Spain, September 7-10, 2014.
  • “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.
  • “Sustainable Landfill Biocover.” 24th Annual Solid Waste Technical Conference, The Engineering Society of Detroit & Michigan Waste Industries Association, East Lansing, MI, March 18, 2014.
  • “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.
  • “Quantifying Social Aspects of Sustainable Remediation: Classroom Examples.” Sustainable Remediation Forum (SURF) Meeting, Chicago, IL. July 25, 2013.
  • “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.
  • “General Report on Case Studies on Ground Improvement and Geoenvironmental Engineering.” Seventh Case Histories in Geotechnical Engineering, Wheeling, IL. May 2, 2013.
  • “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.
  • “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.
  • “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.
  • “State-of-the-Practice of Characterization and Remediation of Contaminated Sites.” Keynote Lecture, GeoCongress2012-ASCE, Oakland, CA. March 26, 2012.
  • “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.
  • “Emerging Trends in Remediation of Contaminated Sites in the United States.” US-Japan Workshop on Geoenvironmental Engineering, Kyoto, Japan, October 6, 2011.
  • “Characterization and Remediation of Contaminated Sites.” Association of Engineering Geologists, North Central Section, Chicago, IL. October 18, 2011.
  • “Lactate-Modified Nanoscale Iron Particles for In-Situ Remediation of Organic Pollutants.” RemTEC Summit, Wheeling, Illinois. May 19, 2011.
  • “Geothermal Heating and Cooling Systems at UIC and Elsewhere.” ASCE Illinois Section Geo-Institute/Geotech Group Meeting. April 13, 2011.
  • “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.
  • “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.
  • “Nanotechnology for Site Remediation.” Invited Presentation, National Geophysical Research Institute, Hyderabad, India. November 3, 2010.
  • “Electrokinetic/Electrochemical Remediation of Polluted Soils and Groundwater.” American Institute of Professional Geologists (AIPG)-Illinois/Indiana Section, Spring Meeting, Lisle, IL. April 22, 2010.
  • “Pile Foundations.” ASCE Illinois Section Young Member Group Meeting, Chicago, IL. January 20, 2010.
  • “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.
  • “Modeling Leachate Recirculation and Geotechnical Stability of Bioreactor Landfills: Approach and Data Needs.” Veolia Center for Research, Limay, France. October 2, 2009.
  • “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.
  • “Bioreactor Landfill Engineering: A Sustainable Approach to Manage Municipal Solid Waste.” IIT Solid Waste Conference, Chicago, IL. May 1, 2009.
  • “Remediation of Contaminated Subsurface Using Nanoscale Iron Particles.” Keynote Presentation, Indian Geotechnical Conference, Bangalore, India. December 15, 2008.
  • “Containment Wall Construction at DNAPL-Contaminated Site.” Hong Kong Institute of Engineers-Environmental Division, HKIE Headquarter, Hong Kong, May 29, 2008.
  • “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.
  • “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.
  • “Integrated Electrokinetic Remediation Technologies.” Institute of Soil Science, Chinese Academy of Sciences, Nanjing, China. October 25, 2007.
  • “Nanotechnology for Contaminated Site Remediation.” International Symposium on Geo-Environmental Engineering for Sustainable Development, Xuzhou, China. October 23, 2007.
  • “Monitoring and Performance Assessment of Bioreactor Landfills.” Department of Environmental Science and Engineering, Tsinghua University, Beijing, China. October 22, 2007.
  • “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.
  • “Electrokinetic Delivery of Nanoscale Iron Particles for Remediation of Pentachlorophenol in Clay Soil.” 6th Symposium on Electrokinetic Remediation, Vigo, Spain. June 14, 2007.
  • “Performance Assessment of Bioreactor Landfills.” Association of Environmental & Engineering Geologists-North Central Section Meeting, Chicago, IL. March 20, 2007.
  • “Geotechnical Aspects of Bioreactor Landfills.” Keynote Presentation, Indian Geotechnical Conference, Indian Institute of Technology, Madras, India. December 15, 2006.
  • “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.
  • “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.
  • “Remediation of Contaminated Sediments.” Workshop on Remediation at 5th International Congress on Environmental Geotechnics, Cardiff, Wales, UK. June 29, 2006.
  • “Technologies for Contaminated Sediment Remediation.” 3rd International Symposium on Contaminated Sediments, Shizuoka, Japan. May 24, 2006.
  • “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.
  • “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.
  • “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.
  • “Interface Shear Behavior of Landfill Composite Liners.” Keynote Presentation, Japan-Korea Workshop on Geoenvironmental Engineering, Seoul National University, Seoul, Korea. June 4, 2005.
  • “Subsurface Contaminant Remediation: Regulations and Case Studies.” Keynote Presentation, Indian Geotechnical Conference, Warangal, India. December 19, 2004.
  • “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.
  • “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.
  • “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.
  • “Assessment and Remediation of Contaminated Sites.” Keynote Presentation, Indian Geotechnical Conference, Allahabad, India. December 21, 2002.
  • “Geotechnics of Contaminated Site Remediation and Waste Containment: An Overview.” Keynote Presentation, Indian Geotechnical Conference, Indian Institute of Technology-Bombay, India. December 12, 2000.