Geothermal energy is having a moment. As demand for reliable, always-on power grows alongside data centers and electrification, new drilling technologies are unlocking geothermal's potential far beyond its traditional strongholds in California, Nevada, and Iceland. In part one of this two-part series, host Sebastian Duque Rios sits down with Tom Lutken, science fellow at the Environmental Law Institute, for a primer on how geothermal energy actually works — and what's changing.

We break down the science behind geothermal electricity generation, the difference between direct-use applications and power generation, and next-generation technologies like enhanced geothermal systems, advanced geothermal systems, and super-hot rock geothermal that are expanding where geothermal can be developed. The conversation also covers drilling costs, potential risks, and innovative approaches aimed at solving geothermal's biggest cost barrier.

The episode closes with a preview of the regulatory landscape shaping geothermal's growth with Susannah Dibble, staff attorney at ELI. From the decades-old Geothermal Steam Act to the state-level legislation now playing catch-up with the technology, we highlight some of the major financing, legal, and policy questions surrounding geothermal that merit further analysis. The second part of this series digs deeper into these issues with a full panel of experts.

For more information, see ELI's webinars on The Future of Geothermal:

• Power Generation
• Heating and Cooling of Buildings

Forever chemicals are everywhere — in your carpet, your cookware, your cosmetics, and increasingly, your drinking water. PFAS — per- and polyfluoroalkyl substances — have been building up in our environment, our water, and our bodies for decades. And while federal regulatory momentum on forever chemicals is stalling, states are moving in the opposite direction. In this episode of People Places Planet, we sit down with Secretary Jim Kenney, General Counsel Zachary Ogaz, and Assistant General Counsel Greg Smithkier from the New Mexico Environment Department to break down what PFAS are, why they're so difficult to eliminate, and what state-level action actually looks like in practice.

They walk us through New Mexico's multi-pronged PFAS strategy: listing aqueous film forming foam (AFFF) as a hazardous waste, phasing out PFAS-containing consumer products, and implementing the country's first-ever consumer product labeling icon for intentionally added PFAS. They also discuss the state's ongoing litigation against the Department of Defense over PFAS contamination at Cannon Air Force Base.

New Mexico has emerged as a national leader on PFAS action, and this conversation reveals exactly how — and why it matters for every state. With EPA rolling back MCLs and retreating from class-based regulation, the episode raises a broader question: can a patchwork of state policies produce national standards? And, at what cost to states already stretched thin on resources and scientific capacity?

Also, be sure to check out ELI's recent report Current Trends in Toxics Litigation for more information on PFAS litigation trends.

• What are PFAS, what risks do they pose, and where can they be found? (01:38)
• PFAS regulation at the State and Federal level (10:13)
• New Mexico's PFAS playbook: hazardous waste listing, phase-outs, and labeling (14:42)
• Litigation and the Cannon Air Force Base case (26:46)
• New Mexico's PFAS conversation in DC (35:11)
• What's next: federal science, state capacity, and closing thoughts (40:06)

The fashion and textiles industry accounts for up to 10% of global greenhouse gas emissions, consumes 93 billion cubic meters of water annually, and generates 92 million tons of waste each year — yet only 1% of textiles are recycled back into new products. In this episode, we sit down with three leading experts to unpack one of the most resource-intensive industries on the planet and explore what a genuinely circular textiles sector could look like.

We're joined by Mark Sumner, Head of Textiles at WRAP; Sarah Morley, Strategic Engagement Manager at WRAP Americas; and Linda Breggin, Senior Attorney at the Environmental Law Institute. Together, we trace the full lifecycle of a garment from field to landfill, examine fast fashion as a consumer behavior rather than just a retail phenomenon, and explore how circular design, durability standards, voluntary industry agreements, and policy intervention are beginning to reshape the system.

Whether you're working in sustainability, environmental policy, waste reduction, or supply chain management, this episode offers both the big-picture framework and the on-the-ground insights you need to understand where the textiles industry is headed — and what it will take to get there. See WRAP's website for more information.

• Introduction: The Environmental Footprint of the Fashion and Textiles Industry (02:37)
• Lifecycle of a Garment: Hotspots, Impacts, and Intervention Points (03:47)
• Circular Design in Practice: The Pillars of a More Sustainable Textiles Industry (11:05)
• Changing Consumer Behavior (21:34)
• The UK Textiles Pact and the Durability Accelerator: Industry Collaboration in Action (29:49)
• WRAP's US Expansion: Landscape Review, Gaps, and the Road Ahead (45:14)
• The Role of State and Local Governments (48:33)
• Concluding Thoughts (54:43)

The Toxic Substances Control Act is the cornerstone of chemical regulation in the United States — but for most of its existence, it was widely considered unenforceable. In this episode of People, Places, Planet's Explained series, host Sebastian Duque Rios is joined by Lynn Bergeson, Managing Partner of Bergeson & Campbell, and Bob Sussman, former senior EPA official and Principal at Sussman & Associates, to break down TSCA from the ground up.

Together, they walk through the foundational building blocks of the law — what chemicals TSCA covers, how Sections 4, 5, and 6 govern testing, new chemical pre-market review, and existing chemical risk evaluation, and why the "unreasonable risk" standard at the heart of the statute proved so difficult to apply in practice. They also trace how the 1991 Corrosion Proof Fittings decision paralyzed EPA's regulatory authority for a generation, and what the 2016 Lautenberg Act fundamentally changed.

Lynn and Bob are co-chairs of the TSCA Reform 10 Years Later conference, taking place June 10th at George Washington University — a free, hybrid event covering risk evaluation, risk management, new chemicals, and the legislative road ahead. The annual conference is co-sponsored by ELI, Bergeson & Campbell, P.C., and the George Washington University Milken Institute School of Public Health. Register here to attend in-person or via livestream. For those who wish to attend in-person, please registration will close on June 9, 2026, or when capacity is reached.

After the Sackett v. EPA Supreme Court decision stripped back federal Clean Water Act protections, local governments found themselves on the frontlines of wetland conservation — and many have more tools available to them than they realize. In this special American Wetlands Month episode, host Sebastian Duque Rios talks with wetland policy experts and on-the-ground practitioners about what local action looks like in practice.

ELI Senior Attorney Amy Reed introduces the Environmental Law Institute's newly published Local Wetland Protection Playbook — a practical guide to regulatory and non-regulatory strategies for municipalities, landowners, and community advocates. Then we hear two case studies. First, we're joined by Karen Cappiella (Center for Watershed Protection) to discuss how Bluffton, South Carolina became the first municipality in the state to close the post-Sackett loophole through a phased wetland ordinance and updated GIS mapping. Finally, we're joined by Mahtaab Bagherzadeh (National Wildlife Federation) and Nina Struss (Prairie Rivers Network) to learn more about how a bi-state coalition in the Quad Cities region of Iowa and Illinois is using climate assessments, ecological corridor mapping, and collaboration to protect wetlands in the region.

• 02:12 – Why Wetlands Matter 
• 05:57 – ELI's Local Wetland Protection Playbook & the Post-Sackett Landscape 
• 13:50 – Case Study: Bluffton, SC — Local Wetland Ordinances in Action 
• 26:41 – Case Study: Quad Cities, IA/IL — Climate Data, Ecological Corridors & Collaboration 
• 58:55 – Closing & How to Get Involved

See the resources mentioned during the episode for more information:

• ELI's Local Wetland Protection Playbook
• NWF Nature-Based Solutions Funding Database

Fifty-six years ago, the first Earth Day helped spark a generation of landmark environmental legislation — and the Environmental Law Institute (ELI) was born from that same moment. On this Earth Day 2026, host Sebastian Duque Rios sits down with ELI President Jordan Diamond and Senior Attorney Jay Austin to trace the arc of environmental law from that founding era to the compounding crises of today.

Together, they reflect on how statutes like NEPA and the Clean Air Act were designed with more foresight than we often credit them for, why adaptive management is baked into the DNA of environmental law, and how ELI is responding to an era of rapid institutional change — from regulatory rollbacks and executive action to the governance challenges posed by emerging industries like deep sea mining, geothermal energy, and data centers. They also dig into ELI's new collaboration with the Federation of American Scientists' (FAS) Center for Regulatory Ingenuity and their joint white paper laying out a framework for rebuilding and reimagining environmental governance fit for the 21st century.

This episode is a candid, long-view conversation about what it takes to protect people, places, and the planet. For more information on other emerging topics in environmental law, see our recent episode, "What's Next for Environmental Law in 2026."

Environmental and land defenders in Brazil face some of the highest rates of violence in the world, yet most attacks are never investigated, and fewer still result in prosecution. In this episode of People, Places, Planet, host Sebastian Duque Rios speaks with Kristine Perry, staff attorney at ELI, and Amael Notini, ELI's in-country partner in Brazil and legislative consultant to the Brazilian Federal Senate, about the systemic forces driving violence against defenders and what accountability could look like.

Together, they explore how Brazil's legacy of land inequality, weak rural state capacity, and a deeply entrenched culture of impunity have put Indigenous and Quilombola communities, small-scale farmers, and civil society actors at risk. The conversation covers the structural roots of land conflict, the ongoing contested ratification of the Escazú Agreement, the temporal framework threatening indigenous land rights, and what — if anything — emerged from COP 30 in Belém for defender protection. The episode concludes with a first look at what the team is finding as they build a first-of-its-kind database tracking investigations and prosecutions of lethal attacks against defenders across Brazil, Colombia, and Mexico, and why that data matters.

This episode is part of ELI's ongoing series on environmental defenders across Latin America. If you've missed our previous episodes, check out our introductory episode on environmental defenders and ELI's database ("Environmental Defenders: On the Frontlines of Conservation") and our Spanish-language episode on the Colombian context ("Defensores ambientales: hacia la rendición de cuentas en Colombia").

For more information on the project, consult ELI's Platform to Protect Environmental Defenders. 

Ahead of our eighth season, here's a preview of what's to come in People, Places, Planet, a bi-weekly podcast from the Environmental Law Institute. From climate change and biodiversity loss to pollution and public health, environmental law is at the center of the biggest challenges of our time.

"How do we make the law work for people, places, and the planet?"

This podcast brings you in-depth conversations with experts with leading experts, breaking down the foundations of environmental law and diving into the cutting-edge issues reshaping our world. Whether you're an environmental professional or someone who cares about the future of our communities and ecosystems, this podcast is for you.

New episodes drop every other week. Subscribe now so you never miss a conversation.

Brought to you by the Environmental Law Institute - support the show at www.eli.org/donate.

Can states hold pesticide companies accountable — or does federal law preempt? In this episode of People, Places, Planet, host Sebastian Duque Rios sits down with Patti Goldman, Senior Attorney at Earthjustice, and Cecilia Diedrich, Staff Attorney at ELI, to unpack one of the most consequential environmental law cases of the Supreme Court's current session: Monsanto v. Darnell.

At its core, this case asks whether federal pesticide law — the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) — preempts state-based failure-to-warn claims, potentially shielding pesticide manufacturers like Monsanto from liability for harms caused by products like Roundup (glyphosate). With oral arguments scheduled for April 27, 2026, the stakes couldn't be higher — not just for pesticide litigation, but for the future of toxics accountability across the board.

We break down the science behind pesticide risks, the role of tort litigation in driving corporate accountability and regulatory reform, and why the Court's ruling could have far-reaching implications for PFAS litigation, microplastics liability, and chemical safety regulation more broadly. We also explore how recent Supreme Court decisions, including Loper Bright, are reshaping the landscape of federal agency deference and what that means for environmental and public health protections.

If you're interested in learning about toxics litigation more broadly, ELI’s Toxics Litigation Project recently published a landscape analysis of toxics litigation and how scientific advancement and uncertainty, state and federal law, and judicial doctrine intersect in the ongoing effort to address the risks and consequences of toxic exposures in the United States and abroad titled, "Current Trends in Toxics Litigation." Additionally, for more information on FIFRA, check out our FIFRA, Explained episode. 

• Introduction: Pesticides & FIFRA (3:17)
• Role of Tort Litigation in Accountability (13:44)
• The Roundup Litigation: Failure to Warn, Glyphosate, and the Road to the Supreme Court (19:07)
• Monsanto v. Durnell: Preemption and the Circuit Split (25:13)
• Beyond Roundup: Implications for the Future of Toxics Litigation (40:15)
• Concluding Thoughts: Science, Oral Arguments, and How to Protect Communities Going Forward (48:55)

What does a truly just energy transition look like — and who gets to define it? In this episode of People, Places, Planet, host Sebastian Duque Rios sits down with Nadia Ahmad (Barry University School of Law) and Danielle Stokes (University of Richmond School of Law), collaborators on the Just Energy Transitions and Place (JET Place) project, a multi-institutional research initiative examining how place, land use law, and community governance shape who bears the burdens and who captures the benefits of America's shift to clean energy. Drawing on fieldwork across Florida, Louisiana, Kansas, and Pennsylvania, they make the case that decarbonization without redistribution isn't a just transition at all.

From federalism and zoning conflicts to power purchase agreements, IRA rollbacks, and the structural barriers facing marginalized communities, this conversation surfaces the deeply human stakes behind every permitting decision and planning process — and explores what it looks like when communities successfully reclaim agency in the energy future being built around them.

The conversation also zeroes in on Florida as a potentially cautionary case: a state with extraordinary solar potential but a regulatory environment defined by vertically integrated utilities, restricted third-party PPAs, and legislation that threatens to ban net zero targets at every level of government.

• What "Just Energy Transition" Really Means: Decarbonization and Distribution (4:50)
• Navigating the Regulatory Landscape: Federal, State, and Local Authority (8:10)
• Just Energy Transitions and Place (21:39)
• Why Place-Centered Energy Planning Is Essential to Energy Justice (27:12)
• Florida: A Placed-based Case Study of Energy Governance Challenges (41:38)
• Concluding Thoughts: Policy Instability, IRA Rollbacks, and Reasons for Hope (50:07)