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PODCAST

Simmer Down

C-Change Conversations

Simmer Down takes a cool-headed look at a hot topic -- climate change. Host Kathleen Biggins, founder and president of C-Change Conversations, sits down with a range of experts to talk about how climate change is impacting the things we all love and need — the things we talk about around our kitchen tables.Staying true to C-Change’s nonpartisan, science-based approach, Kathleen and guests address the really important questions we all have when it comes to climate change: How can we protect our

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All Episodes

47:06

Is The Future Investable?

Simmer Down ·

2026/10/01

When we talk about how climate change impacts our lives, many people are surprised to learn that it’s even affecting the way we should consider investing our money. And there’s a lot to consider, from supply chain issues to how committed companies are to climate action. In this episode, we asked an investment expert – Mark Hays – what do we need to know to build climate-smart portfolios? Mark Hays is the president of Endowments & Foundations at Prime Capital.** At Prime, Mark is res...

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37:12

Too Hot To Play?

Simmer Down ·

2026/09/24

Sports are a major part of our lives. Many of us play some sort of sport, whether professionally or recreationally. Still more are avid fans – hours and hours spent rooting for our favorite teams and sitting on the sidelines cheering on our children. But as climate change affects our weather, athletes and spectators are feeling the heat. In this episode, we asked a sports expert – Walker Ross – is it getting so hot we’ll have to call off the game? Walker J. Ross is a lecturer in sport m...

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38:57

Home Is Where The Risk Is

Simmer Down ·

2026/09/17

Insuring our homes used to be a given. Today, it’s increasingly a luxury that more and more can’t afford – if it’s even available at all. Climate change is wreaking havoc on the insurance industry as rising sea levels, severe weather, and other impacts threaten our biggest assets – our homes. In this episode, we asked an insurance expert, Ben Keys, will we be able to protect our homes in the near future? Ben Keys is the Rowan Family Foundation professor of real estate and finance at the...

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34:15

Doctor, It’s The Climate

Simmer Down ·

2026/09/10

Climate change is heating things up – and we’re really feeling the effects on our bodies. But it’s not just the ferocious, more frequent heat waves that are affecting our health. It’s also ticks and mosquitoes spreading more disease, skies filling with smoky air from wildfires, drinking water becoming scarcer. In this episode, we asked two medical doctors – Dr. Elizabeth Cerceo and Dr. Celine Gounder – how can we keep our families safe from the growing health risks of climate change? D...

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41:40

Weather Gone Wild with Bernadette Woods Placky

Simmer Down ·

2026/09/03

We’re all wondering the same thing – what IS causing all of this weird weather … and is it going to get much worse? Kathleen talks with meteorologist Bernadette Woods Placky to get some context, taking a deep dive into how climate change is supercharging our weather -- from extreme heat waves and monster wildfires to excessive rainfall and dire droughts -- and its far-reaching effects on the things we rely on every day -- like healthy agriculture systems, fresh water, and disease control. Ber...

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3:04

Welcome to Simmer Down

Simmer Down ·

2026/08/27

Simmer Down takes a cool-headed look at a hot topic -- climate change. Host Kathleen Biggins, founder and president of C-Change Conversations, sits down with a range of experts to talk about how climate change is impacting the things we all love and need — the things we talk about around our kitchen tables. Staying true to C-Change’s nonpartisan, science-based approach, Kathleen and guests address the really important questions we all have when it comes to climate change: How can w...

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59:50

New York Times Reporter David Gelles

Simmer Down ·

2025/09/12

C-Change Conversations’ Kathleen Biggins sits down with New York Times award-winning Reporter David Gelles for an in-depth discussion about climate, capitalism, and culture, areas of expertise that he delves into in his forthcoming book, “Dirtbag Billionaire: How Yvon Chouinard Built Patagonia, Made a Fortune, and Gave It All Away.”

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26:00

Investing in the Future: Navigating the Climate...

Simmer Down ·

2025/06/25

Kathleen joins Mark Hayes of Glenmede for a wide-ranging conversation about how climate change is transforming the finance sector. They explore the risks and opportunities of the global climate transition, the rise of sustainable investment strategies, and the regulatory and political shifts shaping today’s landscape. The discussion also dives into how corporate leadership in the C-suite is responding to climate challenges, the growing trend of “greenhushing,” and the federal policy changes i...

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42:15

Reaching Beyond the Choir with Kathleen Biggins

Simmer Down ·

2024/10/25

It's easy to talk about topics with people who already agree with you, but when it comes to climate change, the conversation can get uncomfortable very quickly. In this episode, Founder and President Kathleen Biggins explains a few tricks that have helped C-Change Conversations discuss such a difficult topic for the past decade among audiences with vastly differing opinions.

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57:37

Watching the Weather: In Conversation with...

Simmer Down ·

2024/09/26

Do you know the difference between climate and weather? Are you concerned about the weather wackiness we’re experiencing? Nationally acclaimed meteorologists Jeff Berardelli and Chris Gloninger share their expert, scientific take on how climate change is affecting both our everyday and long-term weather and what we might face in the not-so-distant future.

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54:11

Coral & Climate with James Porter

Simmer Down ·

2024/05/23

You’ve got questions, and we have answers. No question is too simple or complex for our panel of science advisors who stand ready to field your questions about climate change. James W. Porter, PhD, answers a question about whether the scientific community agrees that climate change is caused by human activities. Dr. Porter is a renowned marine ecologist who has devoted 50 years to studying coral reefs and marine ecosystems. A Josiah Meigs distinguished professor, emeritus, at the University o...

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48:11

Climate Change & Real Estate

Simmer Down ·

2024/05/01

How is climate change impacting the Real Estate industry? In our latest episode, we explore this topic, as presented by Kathleen Biggins. This is a public episode. If you would like to discuss this with other subscribers or get access to bonus episodes, visit cchangeconversations.substack.com

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77:33

Insurance in a Climate Changed World

Simmer Down ·

2023/11/02

Insurance rates are rising, coverage is disappearing, and fingers are pointing in all directions. Yes, humans are moving to areas more vulnerable to natural disasters. Yes, inflation is raising the costs of reconstruction. But the most concerning reason insurance is getting so expensive and elusive is that the industry is finally factoring in the real risks of our changing climate.Extreme rains, windstorms, hail, more powerful hurricanes, wildfires, heat, and accelerating sea level rise – dis...

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83:57

Solution Series: Carl Ferenbach

Simmer Down ·

2023/07/19

Carl Ferenbach, of Berkshire Partners and The High Meadows Institute, speaks of the early stage companies focused on clean energy and efficiency. A leader in business, finance, environmental advocacy and philanthropy, Carl, in conversation with Kathleen Biggins of C-Change Conversations, addresses the risks and opportunity in climate change mitigation and investment opportunities. This is a public episode. If you would like to discuss this with other subscribers or get access to bonus episo...

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28:47

Solutions Series: Emily Carter

Simmer Down ·

2023/05/05

Turn harmful carbon emissions into fuels or fertilizers that don’t harm our planet? Yes. The process is part of a burgeoning industry called “carbon tech” and the focus of the newest episode of C-Change Conversations: Solutions Series – Ideas, Innovations, and Advancements in the Fight Against Climate Change.We hope you’ll watch (or even just listen as you go about your day) to our interview with scientist Emily A. Carter as she explains why, and how, we must transform the excess carbon in ou...

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28:47

Throwback Thursday: Professor Emily Carter on the...

Simmer Down ·

2023/05/05

Welcome to the C-Change Conversations Podcast, where we explore real-world solutions to the climate crisis with the experts and innovators working to make them a reality. In this throwback episode, C-Change President and Founder Kathleen Biggins sits down with Professor Emily Carter, a pioneering energy scientist and leading voice on carbon utilization. Together, they unpack the rapidly evolving field of carbon tech, transforming harmful CO₂ emissions into products like fertilizer, aviation f...

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27:04

Fusion Energy: A Deep Dive with Sir Stephen Cowley

Simmer Down ·

2022/08/17

In this episode of C-Change Conversations, C-Change founder Kathleen Biggins sits down with Sir Stephen Cowley, director of the Princeton Plasma Physics Laboratory and one of the world’s leading voices on nuclear fusion. Together, they unpack the science behind fusion, why it's often called the "Holy Grail" of clean energy, and how close we really are to making it commercially viable. Sir Stephen shares insights on: * What nuclear fusion is and how it differs from traditional nuclear fission ...

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40:31

How to talk to moderates and conservatives about...

Simmer Down ·

2021/07/08

Kathleen Biggins, president and founder of C-Change Conversations, at the North Shore Land Alliance.

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61:22

Christine Todd Whitman: A C-Change Conversation

Simmer Down ·

2020/07/08

This is a public episode. If you would like to discuss this with other subscribers or get access to bonus episodes, visit cchangeconversations.substack.com

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28:13

Solutions Series: Andrew Winston

Simmer Down ·

2020/05/28

One of the best parts of my work is talking to and learning from experts who see climate change through the lens of how it impacts our economy, health, and national security. Andrew Winston, for example, is a knowledgeable and articulate expert on the nexus between business and climate change. An acclaimed author who advises multinational companies on how to understand and benefit from major trends, he’s adept at looking at sweeping generalizations and extrapolating how they will impact busin...

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