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A Climate Change with Matt Matern Climate Podcast

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Our Guests

Our environmental radio show and climate podcast features influential guests from government, business, activism, academia, and culture. We inform our audience about environmental issues, while inspiring listeners to take action and create a coalition to save the planet.

Nadia Colburn

Nadia Colburn

Nadia Colburn, a published poet and professor with a Ph.D. from Columbia, integrates literary skills and personal development in her global teaching venture, Align Your Story, and practices Kundalini yoga,...

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Jayda G

Jayda G

Jayda G, a GRAMMY-nominated DJ with a master's in environmental toxicology, stars in "Blue Carbon," an environmental documentary on CNN Films that blends music and science to highlight the importance...

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Daniel Gutiérrez

Daniel Gutiérrez

Daniel Gutiérrez advocates for societal change towards cooperation and love, co-founds Saving the Amazon, and leads Shambala for environmental education.

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Jared Lipworth

Jared Lipworth

Jared Lipworth, as Head of Studio at HHMI Tangled Bank Studios, directs its mission and storytelling-focused documentary content while also engaging in educational outreach and serving on executive committees for...

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Karthik Velayutham

Karthik Velayutham

Karthik Velayutham, a renewable engineer and founder of Kartick Ltd, has patented innovative devices like a mechanical vibration cooling system and a heat-to-vibration engine, showcasing his commitment to sustainable engineering...

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Steve Fambro

Steve Fambro

Steve Fambro is an American businessman and entrepreneur who has found success in the automotive industry. He currently serves as co-CEO of Aptera Auto. He's a visionary executive who has...

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Captain Paul Watson

Captain Paul Watson

Paul Watson is a Canadian American environmental activist who founded the Sea Shepherd Conservation Society in 1977, aimed at protecting marine wildlife. An early member of Greenpeace International, Watson was...

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Zachary Kirstein

Zachary Kirstein

Zachary Kirstein, recycling expert and leader of 4G Recycling, founded Ocean Recovery Group and New Era Recycling, contributing significantly to sustainability and philanthropy.

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Gerard Wederburn-Bisshop

Gerard Wedderburn-Bisshop

Gerard Wedderburn-Bisshop, a retired Principal Scientist who monitored broadscale deforestation in Queensland, co-authored the Beyond Zero Emissions’ Land Use Plan and advises the Zero Emissions Byron project, focusing on environmental...

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Mark Gavin

Mark Gavin

Mark Galvin is a founder and director of the World Preservation Foundation, a sustainability research and non-for profit organization, working to reduce global warming particularly through tree planting.

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Tracy Quinn

Tracy Quinn

Tracy Quinn serves as President and CEO of Heal the Bay, leading the dynamic team of scientists, policy experts, outreach specialists, and educators in pursuit of its clean water mission.

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Dr. Rae Wynn-Grant

Rae Wynn-Grant

Dr. Rae Wynn-Grant is a wildlife ecologist and the co-host of NBC’s newest original series, Mutual of Omaha’s Wild Kingdom Protecting the Wild.

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Caleigh Wells

Caleigh Wells

Caleigh Wells covers the environment, climate, and public health as KCRW’s Healthy Communities Reporter. Since coming to KCRW in 2019, she has covered wildfire, drought, climate legislation, and environmental health...

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Paul Bledsoe

Paul Bledsoe

Paul Bledsoe, with extensive experience in climate policy, helped shape major global agreements and has written for top publications.

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Elizabeth Thompson

Elizabeth Thompson

Elizabeth Thompson leads the Buckminster Fuller Institute, initiating the top social design award, and advises on sustainability and economics.

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Christopher Hayes

Christopher Hayes

Christopher HayesChris Hayes, with 20+ years' experience, excels in stakeholder engagement and crisis management across 50 countries, adapting to modern communication needs.

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Tony Pan

Tony Pan

Tony Pan, CEO of Modern Hydrogen, holds 250+ patents and has notable roles in global health and energy innovation.

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Marianne Williamson

Marianne Williamson

Marianne Williamson is a bestselling author, spiritual thought leader, and political activist with over three decades of influence in progressive religious circles.

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Ben Allen

Ben Allen

California State Senator Ben Allen represents the 24th Senate District, covering the Westside, Hollywood, South Bay, and Santa Monica Mountains communities of Los Angeles County. Ben was first elected in...

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Sally Uren

Sally Uren

Sally Uren leads Forum's mission for a just, regenerative future, focusing on sustainable food and energy, and has been its CEO since 2002.

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Lisa Levin

Lisa Levin

Levin is the author or co-author of more than 275 scientific publications. She is currently an Associate Editor of Science Advances, and has served as North American editor of the...

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James McFarlane

James McFarlane

James A.R. McFarlane is the COO of Strategic Robotic Systems provides diverse services focused in the marine marketplace. Services offered include; project management, business development, corporate management, product development, strategic...

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Saxon Metzger

Saxon Metzger

At NuLife Power Services, Saxon Metzger is the Solar Project Development Manager, directing operations for our C&I and utility scale solar photovoltaic system EPC, decommissioning, system repowering/remediation, and removal &...

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Sean Willmore, Thin Green Line

Sean Willmore

A former Australian park ranger and past president of the International Ranger Federation, Sean has worked with rangers in over 80 countries on six continents. Experiencing the best and worst...

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Candor Bourne

Candor Bourne

Candor has a background in and passion for community-based forest conservation. She builds relationships with individuals and institutions to support our holistic approach to bonobo conservation. Previously, Candor worked in...

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Nick Halberg

Nick Halberg

Nick Halberg is a research and policy analyst at the Utah Rivers Council. He received an honors B.S. in economics with an emphasis in statistical analysis and a B.S. in...

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Sara Barth

Sara Barth

Sara Barth joined Sempervirens Fund in 2016 after 12 years working in leadership positions at The Wilderness Society (TWS), most recently as Senior Regional Director for the Pacific and Southeast...

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Laura McClendon

Laura McClendon

Laura McLendon is the Director of Land Conservation at Sempervirens Fund. She joined Sempervirens in 2006, and has spent the majority of her career working on land conservation projects that...

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Zachary Frankel

Zach Frankel

Zach Frankel received his B.S. in biology with an emphasis in biochemistry and genetics at the University of Utah and is the Executive Director of the Utah Rivers Council, which...

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Paul Hawken, Project Drawdown

Paul Hawken

Paul Hawken is an environmentalist, entrepreneur, author and activist who has dedicated his life to environmental sustainability and changing the relationship between business and the environment. He is one of...

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Durwood Zaelke

Durwood Zaelke

Durwood Zaelke (born 15 May 1947) is an American environmental litigator, professor, author, and advocate. As President and founder of the Institute for Governance & Sustainable Development (IGSD) in Washington,...

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Aaron Halimi

Aaron Halimi

Aaron Halimi is the Founder and President of Renewable Properties based out of the company’s headquarters in San Francisco, California. As the President, Aaron’s responsibilities include driving strategy and growth...

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Dr. Katharine Hayhoe

Dr. Katherine Hayhoe

I’m an atmospheric scientist. I study climate change, one of the most pressing issues we face today. I don’t accept global warming on faith: I crunch the data, I analyze...

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Justin J. Pearson

Justin J. Pearson

Justin J. Pearson is a community organizer in Memphis, TN and a servant leader who prioritizes people and our community. Justin is an approachable, accessible, reliable, responsive, and honest person...

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Elise Joshi

Elise Joshi

Elise Joshi is a 21 year old climate activist and Executive Director at Gen-Z for Change. When she’s not communicating climate solutions to her 150,000 followers on TikTok, you can...

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Melissa K. Sims

Melissa K. Sims

As Senior Counsel at Milberg, Melissa Sims maintains her own practice in Illinois with offices in Chicago and downstate. She represents communities nationally, helping them seek redress for public nuisance,...

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Peter Fiekowsky

Peter Fiekowsky

Peter Fiekowsky is an MIT-educated physicist and engineer, serial entrepreneur, philanthropist, social innovator, and author.

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Sir Jonathon Porritt

Sir Jonathon Porritt

Jonathon Porritt is an eminent writer and campaigner on sustainable development. For the last 30 years, Jonathon has provided strategic advice to leading UK and international companies to deepen their...

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Ethan Brown

Ethan Brown

Ethan Brown is the Founder and Host of The Sweaty Penguin, where he writes and hosts episodes, manages the team, and struggles to keep any sort of sleep schedule.

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Inna Braverman

Inna Braverman

Inna Braverman is an Israeli entrepreneur and businesswoman. She is the co-founder and CEO of Eco Wave Power, a renewable energy company with a patented technology for the generation of...

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Jeff Goodell

Jeff Goodell

Author Jeff Goodell, is a leading expert on climate change. Jeff’s latest book, The Heat Will Kill You First: Life and Death on a Scorched Planet, was published by Little,...

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Mayor Rex Parris

Rex Parris

Since his election, Rex Parris has taken steps to make Lancaster a "Net Zero City." In 2015, Lancaster became the first city in the world to generate more clean energy...

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Chris Gloninger

Chris Gloninger

As a Senior Scientist at Woods Hole Group, Chris Gloninger provides guidance and direction on technical needs and approach relating to analysis of meteorology and climate data, coastal and climate...

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David Fenton

David Fenton

David is the senior advisor to Yellow Dot and oversees communications campaigns for the environment. He is also the author of The Activist’s Media Handbook. He has also helped create...

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Tony Hiss

Tony Hiss

Tony Hiss is the author of fifteen books, including the award-winning The Experience of Place. He was a staff writer at The New Yorker for more than thirty years, was...

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Jad Daley

Jad Daley

Jad Daley leads the strategic direction of American Forests and serves as its “chief engagement officer” in building diverse partnerships to advance American Forests’ mission. Tapping into his skills and...

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Kevin Chin

Kevin Chin

Kevin Chin has successfully started, bought, built, fixed, scaled up and sold businesses across a range of industries – including software, education, funds management, media, road infrastructure services and solar...

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Michael Mann

Michael Mann

Dr. Michael E. Mann is Presidential Distinguished Professor in the Department of Earth and Environmental Science at the University of Pennsylvania, with a secondary appointment in the Annenberg School for...

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Christine O’Donnell

Christine O’Donnell

Christine O’Donnell is an Emmy-Nominated TV Journalist &  Podcast Coach. She is the founder of Bright Sighted Pros, a community of bright, independent and professional podcasters who have a true...

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Gaurav Sant

Gaurav Sant

Gaurav Sant is the Pritzker Professor of Sustainability at the UCLA Henry Samueli School of Engineering. He holds faculty appointments in the departments of Civil and Environmental Engineering, Materials Science...

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Robert Höglund

Robert Höglund

Robert Höglund is an advisor in carbon dioxide removal (CDR) and climate impact. He manages the charitable Milkywire Climate Transformation Fund, co-founded the CDR market overview CDR.fyi, works with the...

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Chad Frischmann

Chad Frischmann

Chad Frischmann is the CEO and Founder of Regenerative Intelligence (RegenIntel). Chad co-authored the New York Times best-seller Drawdown: The Most Comprehensive Plan Ever Proposed to Reverse Global Warming.

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Roland Horne

Roland Horne

Roland N. Horne is the Thomas Davies Barrow Professor of Earth Sciences at Stanford University, and Senior Fellow in the Precourt Institute for Energy. He holds BE, PhD and DSc...

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Lance Secretan

Lance Secretan

Dr. Lance Secretan is a spiritual thought leader, the world’s top authority on inspirational leadership, a trailblazing teacher, advisor and expert on corporate culture, whose bestselling books, inspirational talks, and...

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Joshua Spodek

Joshua Spodek

Joshua Spodek PhD MBA is the premier voice in sustainability leadership. He hosts the award-winning This Sustainable Life podcast, is a four-time TEDx speaker, bestselling author of Initiative and Leadership...

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Terry Tamminen

Terry Tamminen

Terry Tamminen co-founded and directed environmental organizations like Santa Monica BayKeeper and co-authored influential sustainability policies while serving in the California government. In 2007, he founded Seventh Generation Advisors to...

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Alissa Baier-Lentz

Alissa Baier-Lentz

Alissa Baier-Lentz is the co-founder & COO of Kintra Fibers, a material science company that makes high-performing bio-synthetic textiles that biodegrade like a natural fiber. Kintra exists to solve the...

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Tricia Carey

Tricia Carey

Tricia believes in ‘progress over perfection’. As an advocate for innovation and circularity in the textile and apparel industry, she joined Renewcell to accelerate the commercial development of Circulose®, making...

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Darya Sotoodeh

Darya Sotoodeh

Darya Sotoodeh, born in 1997, is a spokesperson for Fridays for Future Germany. Sotoodeh studies translation studies at the Ruprecht-Karls-Universität Heidelberg and is an activist for anti-racism and global, intersectional...

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Katharina Maier

Katharina Maier

As a lead organizer for the Climate Initiative: Fridays for Future in Berlin and the US, Katharina Maier strengthened her drive to establish a career in this field.

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Robert Verchick

Robert Verchick

Rob Verchick is one of the nation’s leading scholars in disaster and climate change law and a former EPA official in the Obama administration. Verchick comments frequently on radio shows such as...

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Leslie Field

Leslie Field

Dr. Leslie Field started Bright Ice Initiative, where she continues to work on localized approaches at a scale chosen to benefit communities at the greatest climate risk. She has built key...

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Robert McLeman

Robert McLeman

Professor Robert McLeman specializes in research on the human dimensions of environmental change, with particular attention to the relationship between environment and human migration; community adaptation to climatic variability and...

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Steve Valk

Steve Valk

Before Steve Valk joined the Citizens’ Climate Education (CCE) staff in 2009, his career included 30 years with the Atlanta Journal-Constitution and serving as media consultant for the citizen driven,...

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Dana Nuccitelli

Dana Nuccitelli

Dana Nuccitelli, research coordinator for the nonprofit Citizens' Climate Lobby, is an environmental scientist, writer, and author of 'Climatology versus Pseudoscience,' published in 2015. He has published 10 peer-reviewed studies...

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Dana Thomas

Dana Thomas

Dana Thomas is the author of Fashionopolis: The Price of Fast Fashion and the Future of Clothes, Fashionopolis Young Readers Edition, Gods and Kings: The Rise and Fall of Alexander...

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Ilissa Ocko

Ilissa Ocko

Dr. Ilissa Ocko is an applied climate scientist passionate about identifying and facilitating the most effective and pragmatic solutions to the current climate crisis. Her research explores the impacts of...

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Isaias Hernandez

Isaias Hernandez

Isaias Hernandez was born in Los Angeles, California, also known as Tongva Land. I grew up in Section 8 housing, was a recipient of food stamps, and lived in a...

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Paul R. Ehrlich

Paul R. Ehrlich

Paul R. Ehrlich has been a pioneer in alerting the public to the problems of overpopulation, and in raising issues of population, resources, and the environment as matters of public...

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David A. Kirsch

David A. Kirsch

David A. Kirsch is Associate Professor of Management and Entrepreneurship in the M&O Department at the University of Maryland's Robert H. Smith School of Business. In 2003, his co-authored article...

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Bruno Van Wonterghem

Bruno Van Wonterghem

Bruno Van Wonterghem became commissioning manager of NIF in 2001 and operations manager in 2008. He has extensive experience in developing laser systems for plasma research in academia through work...

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Seth Godin

Seth Godin

Seth Godin is an author, entrepreneur and most of all, a teacher. Seth is an entrepreneur, best-selling author, and speaker. In addition to launching one of the most popular blogs...

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Adam Wright

Adam Wright

Vespene Energy co-founder, Adam Wright, is a seasoned management executive with over 15 years experience building and growing companies across a variety of fields including 3D printing, ocean engineering, real...

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Osprey Orielle Lake

Osprey Orielle Lake

Osprey Orielle Lake is the Founder and Executive Director of the Women's Earth and Climate Action Network (WECAN) International, working nationally and internationally with grassroots and frontline women leaders, policy-makers,...

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Daniel Knowles

Daniel Knowles

Daniel Knowles is the Midwest correspondent for The Economist, based in Chicago. He covers stories across the region, but is especially interested in urban government, crime, social change and transportation....

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Kyle Ash

Kyle Ash

As an NGO leader in policy and political strategy, Kyle Ash has campaigned in coalition for legislation and regulations on numerous issues including agriculture, climate, forests, human rights, nutrition, and...

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Tony Salas

Tony Salas

Tony Salas has been active in the area of agribusiness startups, mergers, and acquisitions. He is considered a very influential person in modern Latin American agricultural trends and has been...

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Lee Frelich

Lee Frelich

Lee Frelich is Director of the University of Minnesota Center for Forest Ecology. He has authored 200 publications with 275 coauthors from 25 countries. He is listed among the top...

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Jordan Ramer

Jordan Ramer

Jordan Ramer serves as CEO of EV Connect. He’s an accomplished Technology Executive and Entrepreneur. He has helped raise tens of millions of dollars in financing for growth companies in...

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Kate Williams

Kate Williams

Kate Williams is CEO of 1% for the Planet, a global movement that inspires action and commitment so that our planet and future generations thrive. Kate joined the 1% for...

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Mauro Guillen

Mauro Guillen

Mauro F. Guillen is an expert on global market trends, he is a sought-after speaker and consultant. He combines his training as a sociologist at Yale and as a business...

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Kathleen Merrigan

Kathleen Merrigan

Kathleen A. Merrigan is an expert in food and agriculture, celebrated by Time Magazine as one of the 100 Most Influential People in the World in 2010. Currently, she serves...

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Patrick Gilman

Patrick Gilman

Patrick is a Program Manager for the U.S. Department of Energy’s Wind Energy Technology Office. In this position, he leads the office’s analysis program, including activities in market research, economic...

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Garrett Nilsen

Garrett Nilsen

Garrett Nilsen is the Deputy Director for the U.S. Department of Energy Solar Energy Technologies Office, which advances research and development in solar energy technologies.

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Andy Marsh

Andy Marsh

Andy Marsh is President and CEO of Plug Power. Mr. Marsh plans and directs all aspects of the company’s goals and objectives, and is focused on building a company that...

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Jigar Shah

Jigar Shah

Jigar Shah is the director of the Loan Programs Office in the US Department of Energy. Shah gained prominence as an American clean energy entrepreneur, author and podcast host. Shah...

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Christine Todd Whitman

Christine Todd Whitman

Governor Whitman served in the cabinet of President George W. Bush as Administrator of the Environmental Protection Agency from January 2001 until June 2003. She was the 50th Governor of...

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Jay Famiglietti

Jay Famiglietti

Jay Famiglietti is a hydrologist, a Global Futures Professor at Arizona State University, and a science communicator. He is Executive Director Emeritus of the Global Institute for Water Security at the...

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Soumitra Das

Soumitra Das

Chairman and Executive Director, Healthy Climate Initiative USA; Chairman, Healthy Climate Initiative India; Founder and Chair, Wharton Club Climate Change Affinity Group.

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Subarna Bhattacharyya

Subarna Bhattacharyya

Subarna Bhattacharyya is a climate data scientist and climate modeler working in applying mathematical and statistical signal processing tools, time series analysis and machine learning to develop predictive modeling of...

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Michelle Moore

Michelle Moore

Michelle Moore is CEO of Groundswell, a nonprofit that builds community power through community solar projects that share power, savings, and economic opportunity. Her passion for community power is rooted...

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Bill Nussey

Bill Nussey

Bill Nussey is a career CEO with 30+ years experience running VC-backed tech companies. Multiple exits including IPO. Most recently launched several ventures aimed at accelerating the world's shift to...

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Mark Z. Jacobson

Mark Z. Jacobson

Mark Z. Jacobson’s career has focused on better understanding air pollution and global warming problems and developing large-scale clean, renewable energy solutions to them. Toward that end, he has developed...

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Mike Barnard

Mike Barnard

Michael Barnard spends his time projecting scenarios for decarbonization 40-80 years into the future, and assisting executives, Boards and investors to pick wisely today. Whether it's refueling aviation, grid storage,...

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Jay Sinha

Jay Sinha

Jay Sinha is from Winnipeg, Manitoba, Canada. He is the co-founder & co-owner of Life Without Plastic, a globally established online shop and information resource for safe, high quality, ethically-sourced,...

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Anja Brandon

Anja Brandon

Anja is the Associate Director of U.S. Plastics Policy at Ocean Conservancy, where she works to advance policy solutions at the state and federal level to reduce single-use plastics, hold...

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Brett Walter

Brett Walter

Brett Walter is an award-winning software designer and a veteran Silicon Valley entrepreneur and executive. His love for the natural world and passion for environmental justice was shaped early in...

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George Crabtree

George Crabtree

George Crabtree, an Argonne National Laboratory Senior Scientist and Distinguished Fellow, was the Director of the Joint Center for Energy Storage Research from JCESR’s founding in 2012 until his death...

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Caroline Dennett

Caroline Dennett

Caroline Dennett is a social researcher and safety consultant with experience working with large multinational corporate clients across multiple sectors. In the aftermath of the Gulf of Mexico Deepwater Horizon...

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Amgad Elgowainy

Amgad Elgowainy

Dr. Amgad Elgowainy is a senior scientist and distinguished fellow at Argonne National Laboratory. He leads the Electrification and Infrastructure Group with a focus on hydrogen and electrification applications.

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Brian Goldstein

Brian Goldstein

Brian Goldstein leads EIN in its mission to support a transition to a clean transportation system. With a background in finance, Brian has professional experience in the alternative fuels, renewable...

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Renee Grogan

Renee Grogan

Renee Grogan is an environmental consultant with over ten years of experience in the resources industry. She has significant expertise in the implementation of international and domestic legislation in extractive...

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Peter Lehner

Peter Lehner

Peter Lehner directs Earthjustice’s Sustainable Food & Farming Program, developing litigation, administrative, and legislative strategies to promote a more just and environmentally sound agricultural system and to reduce health, environmental,...

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Dr. Sandor Mulsow

Sandor Mulsow

Dr Sandor Mulsow is a Chilean professor of marine geology. From 2013 to 2019 he was head of the Office of Environmental Management and Mineral Resources at the International Seabed...

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Brian Von Herzen

Brian Von Herzen

Brian Von Herzen  Ph.D. is the founder and executive director of the Climate Foundation, which upholds the vision and the mission to regenerate life in the ocean using Marine Permaculture technology....

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Traci Park

Traci Park

Traci Park got her first job waiting tables at 16 and worked her way through Johns Hopkins University in Baltimore. In college she interned with the Baltimore Public Defender’s office...

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Charles Meneveau

Charles Meneveau

Charles Meneveau is a French-Chilean born American fluid dynamicist, known for his work on turbulence, including turbulence modeling and computational fluid dynamics. Charles Meneveau is a Louis M. Sardella Professor...

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Dave Rosenfeld

Dave Rosenfeld

Dave is the Executive Director of the Solar Rights Alliance. Dave has been a community organizer for over twenty years and believes people power is the best way to overcome...

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