Water

• "Unconventional Water Resources: Who Owns the Rain”, MITRE’s Center for Strategic Competition Speaker Series, 17 November 2023
• "The Challenges of Sustainable International Investment in Energy and Climate Change: How to Achieve Reconstruction of Ukraine and Lessons Learned for Sustainable Investment”, American Society of International Law Midyear Meeting, Pittsburgh PA, 9 November 2023 (panelist)
• "Offshore Freshwater Resources: What Law Applies”, 2023 Water SOURCE Symposium, University of Prince Edward Island, 7 November 2023
• "Unconventional Water Resources: Who Owns the Rain”, Saint Francis University Mentorship Week, Loretto PA, 24 October 2023

• "Unconventional Water Resources: Who Owns the Rain?", XVIII World Water Congress, Beijing, China, 13 September 2023
• "Developing government incentives to scale up private sector adoption of credible water stewardship", XVIII World Water Congress, Beijing, China, 12 September 2023 (panelist)
• "Road to Beijing: Pathways for Youth at the World Water Congress", International Water Resources Association webinar, 22 August 2023 (panelist)
• "From the UN Water Conference to an Enabling Policy Environment for Water Stewardship”, Alliance for Water Stewardship Global Water Stewardship Forum, Edinburgh, Scotland, May 16, 2023 (panelist)
• "Water-Economy-Ecology Nexus in a changing environment: A roadmap from New York to Beijing to Bali”, UN Water Conference, New York NY, 23 March 2023 (moderator)
• "Global Corporates and Innovative Multistakeholder Approaches for SDG6.1", Accenture-Veolia Side Event, New York Water Week, New York NY, 21 March 2023 (moderator)
• “Emerging Pollutants: Protecting Water Quality for the Health of People and the Environment”, International Water Resources Association Online Conference, 17-19 January 2023 (moderator, Opening and Closing Ceremonies)
• “Don’t WASTE Time: Managing Sanitation Systems to Protect Groundwater”, International Water Resources Association webinar, 17 November 2022 (moderator)
• “Governance of Offshore Freshened Groundwater: Which law applies?”, International Workshop on Offshore Freshened Groundwater webinar, L-Università ta’ Malta, 28 June 2022
• “Global Water Security Issues: Management and Techniques for Reliable Groundwater Access”, International Water Resources Association and UNESCO webinar, 28 June 2022 (closing remarks)
• “A River Runs Through It: Impact of Water Laws on Airports”, ABA Forum on Air and Space Law, webinar, 12 May 2022 (moderator)
• “Peering into the Crystal Ball: The Future of Water”, International Water Resources Association webinar, 21 February 2022 (moderator)
• “Achieving cooperation in development of transboundary offshore aquifers by using science to define their boundaries and volume”, ISARM2021: 2nd International Conference on Transboundary Aquifers: Challenges and the way forward, webinar, 6 December 2021
• “Offshore Freshened Groundwater”, COP 26, Glasgow, Scotland, 8 November 2021
• “Unconventional Water Resources: Who Owns the Rain?”, University of Strathclyde, Glasgow, Scotland, 1 November 2021
• “Unconventional Water Resources: Who Owns the Rain?”, Oregon State University webinar, Corvallis OR, 29 September 2021
• “Offshore Freshened Groundwater: An Unconventional Water Resource in Coastal Regions?”, Asia Oceanic Geosciences Society, 3 August 2021
• “One Water, One Health”, International Water Resources Association/FAO/UNESCO Online Conference, 7-9 June 2021 https://iwraonlineconference.org (Chair, Opening and Closing Ceremonies)
• “Governance of Offshore Freshwater Resources”, Universidad del Caribe webinar, Cancun, Mexico, 6 May 2021
• “International Law and Transboundary Aquifers: Book Launch”, University of Strathclyde webinar, Glasgow, Scotland, 24 March 2021 (Chair)
• “Water and Environmental Justice”, Glasgow-Caledonian University webinar, Glasgow, Scotland, 23 March 2021
• “Offshore Aquifers: An Opportunity for Benefit-Sharing”, American Water Resources Association webinar, 11 November 2020
• “Addressing Groundwater Resilience under Climate Change”, International Water Resources Association/UNESCO Online Conference, 28-30 October 2020 https://iwraonlineconference.org (Chair, Opening and Closing Ceremonies)
• “Balancing Covid-19, the economy and the environment”, Earth Day Town Hall webinar, Lindsay Drew and Brittney Rodas for PA State Representatives, 22 April 2020
• “Unconventional Water Resources”, International Water Resources Association webinar “Water and Climate Change”, 23 March 2020 https://www.iwra.org/wwd-webinar/
• “International water law: Adapting to new technologies”, World Bank Law, Justice and Development Week, Washington DC, 5 November 2019
• ‘Transboundary offshore freshwater: Which law will apply?’, American Water Resources Association Conference on the Science, Management and Governance of Transboundary Groundwater, Fort Worth TX, 9 July 2018
• “Governance of offshore freshwater resources”, International Union for the Conservation of Nature Academy of Environmental Law Colloquium, Glasgow, Scotland, 5 July 2018
• “Offshore freshwater: The ultimate connector”, University of Glasgow Connections Conference, Glasgow, Scotland, 30 May 2018
• “Offshore hydrocarbon development: Lessons for water”, XVI World Water Congress, Cancún, Mexico, 1 June 2017
• “Integrating Environmental Concerns in International Water Law”, XVI World Water Congress, Cancún, Mexico, 29 May 2017
• “Offshore freshwater: Governing a new resource”, IODP-ICDP Workshop, Woods Hole Institute MA, 23 May 2017
• “Offshore Aquifers: Governing a New Resource”, University of Strathclyde Environmental Law Colloquium, Glasgow, Scotland, 5 May 2017
• “Bulk Water Transfers: Problem or Solution”, Texas A&M School of Law, Fort Worth TX, 2 March 2017
• “Transboundary Aquifer Governance”, International Law Students Association, New York NY, 29 October 2016 https://vimeo.com/192700896
• “Offshore Aquifers: An Answer to Water Scarcity?”, International Association of Hydrogeologists, Montpellier, France, 28 September 2016
• “Bulk Water Transfers: Problem or Solution?”, Stockholm World Water Week, Stockholm, Sweden, 29 August 2016
• “Integrated Water Resources Management”, World Water Day, Dundee UK, 22 March 2016 (moderator)
• “Global Water Law”, Engineers Without Borders, Glasgow, Scotland, 30 November 2015
• “Virtual Water”, London Water Research Group Hydro Hegemony Conference, London UK, 24 October 2015
• “International Law and Transboundary Aquifers”, International Law and Transboundary Freshwaters Workshop, University of Dundee Centre for Water Law, Policy and Science, Dundee, Scotland, 2 July 2015
• “Bulk Water Transfers”, “Transboundary Aquifer Management: Does One Size Fit All?” and “Climate Change and Aquifers: Adaptive Governance”, XV World Water Congress, Edinburgh, Scotland, 25-29 May 2015
• “UN Watercourses Convention”, ABA Section of International Law, New York NY, 3 April 2014
• “Global Water Law”, University of Pittsburgh, Pittsburgh PA, 10 November 2014
• “Competition for Water Resources”, aquaNOW, Oban, Scotland, 2 October 2014
• “Sustainable Water Governance”, World Bank Law, Justice and Development Week, Washington DC, 19 November 2013 (moderator)
• “Interspecies Equity: Apportioning Water Fairly”, Stockholm World Water Week, 3 September 2013
• “Sustainable Development in Southeast Asia: A River Runs through It”, American University, Washington DC, 1 March 2013

Aviation

• “Managing Airport Noise: The U.S. Approach”, International Air Transport Association World Legal Symposium, Vancouver, BC, 22 February 2024

• “Net-Zero Carbon Emissions by 2050: Progress and Challenges”, ABA Forum on Air and Space Law Update Conference, 24 February 2023 (moderator)
• “Getting to Net Zero: Decarbonizing International Aviation and Shipping”, ABA Environment, Energy and Resources Section, 9 December 2021
• “Environmental Issues at Airports: The Good, the Bad and the Ugly”, ABA Forum on Air and Space Law webinar, 4 March 2021 (moderator)
• “Doing a lot with a little: Sustainability at smaller US airports”, Embry-Riddle University Aviation Law and Insurance Symposium, Orlando FL, 30 January 2015
• “From Emissions to De-Icing: Aviation’s Impact on the Environment”, Aviation Law and Insurance Symposium, Orlando, FL, 29 January 2014 (keynote speech)
• “Aviation and the Environment”, Duquesne University Law School, 14 October 2013