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PODCAST

Ask MIT Climate

MIT Climate Project

Get smart quickly on climate change. This award-winning MIT podcast breaks down the science, technologies, and policies behind climate change, how it’s impacting us, and what our society can do about it. Each quick episode gives you the what, why, and how on climate change — from real scientists — to help us all make informed decisions for our future.

science earth sciences

All Episodes

00:15:09

The reshuffling of life on Earth

Ask MIT Climate ·

2026/03/12

Climate change is putting pressure not only on humans, but also on our fellow species. How can plants, animals, and other living things survive as their habitats are transformed? In this episode, we explore one way: moving. Dr. Toni Lyn Morelli and Dr. Alexej Sirén help us understand how climate change is shaking up the map of where species live—and what that means for all of us who share this planet.For a deeper dive and additional resources related to this episode, visit:

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00:14:28

Taking Earth’s temperature

Ask MIT Climate ·

2026/02/26

The past three years have been the three hottest humanity has ever measured. But who does the measuring, and how? Dr. Samantha Burgess, of the European Union’s Copernicus Climate Change Service, joins the show to explain how we know the temperature of the Earth, and how a global community of scientists works together to keep tabs on the health of our planet.For show notes and more resources, visit https://climate.mit.edu/podcasts/e3-taking-earths-temperature Credits Aaron Krol, Writer and Executive

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00:13:19

The nuclear price tag

Ask MIT Climate ·

2026/02/12

Nuclear power offers huge amounts of round-the-clock energy free of climate-warming pollution. In the United States, it’s also become very expensive to build. As government support grows to bring more nuclear power to the U.S., Prof. Jacopo Buongiorno of MIT joins us to break down how nuclear got so costly and what we can learn from countries with more active nuclear industries.For a deeper dive and additional resources related to this episode, visit: For more episodes of Ask MIT Climate, check out

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00:14:35

Marshes, mangroves, meadows

Ask MIT Climate ·

2026/01/29

Salt marshes humming with insects and birds. Mangrove forests with tangled, arching roots. Seagrass meadows that blanket the ocean floor. The world’s coastal saltwater wetlands provide shelter for wildlife, purify water, and protect seaside infrastructure. And as Dr. Julie Simpson of MIT tells us, they also have a climate superpower: drawing down and locking away extraordinary amounts of planet-warming carbon dioxide.We gratefully acknowledge Professor Heidi Nepf; Ph.D. student Ernie Lee; and

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00:01:35

New season, new name!

Ask MIT Climate ·

2026/01/22

The eighth season of MIT’s climate change podcast starts next week, and we’ve got some news! TILclimate is now Ask MIT Climate. It’s part of an effort to bring all of our climate change resources under one umbrella and reach learners in as many ways as we can.We’re also diving into video! Find us on Instagram, TikTok, and YouTube @askmitclimate for outtakes, bonus content, and more climate knowledge from MIT. And we love hearing from our listeners; email us at askmitclimate@mit.edu..

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00:15:17

Update: Where we've been and where we're going

Ask MIT Climate ·

2025/11/04

We’re dropping into your feed to share the news that our founding host, Laur Hesse Fisher, is departing MIT and TILclimate. In this episode, Laur sits down with new host Madison Goldberg to talk about the philosophies that have shaped TILclimate over seven seasons and take listeners behind the scenes of the show. They also discuss what’s in store for season eight—because TILclimate isn’t going anywhere.For a deeper dive and additional resources related to this episode, visit:

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00:14:35

Transmission: Power to the people

Ask MIT Climate ·

2025/07/10

Power lines may not look as high-tech and inspiring as a wind turbine or a solar field. But as MIT’s Joshua Hodge explains, these lines—and the rest of the sprawling “machine” that is the transmission system—are critical for harnessing clean, cheap, reliable power. In this episode of TILclimate, we explore what we stand to gain from a bigger, better transmission system, and how we might make it happen.For a deeper dive and additional resources related to this episode, visit:

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00:14:28

Cleaner air

Ask MIT Climate ·

2025/06/12

Here at TILclimate, we’re often asked about the health and environmental effects of materials in solar panels and batteries. But what if the greatest costs are the ones we’re already bearing—from the fossil fuels those technologies would replace? In this episode, pulmonologist Dr. Mary Rice explains how air pollution from coal, oil, and gas can make us sick, and why a cleaner energy system benefits both the climate and our health.For a deeper dive and additional resources related to this episode,

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00:15:03

Dealing with dead batteries

Ask MIT Climate ·

2025/05/29

The world’s demand for batteries to power electric vehicles is growing at incredible speed. What will we do with all these batteries when they die? Dr. Linda Gaines of Argonne National Laboratory joins TILclimate to explain what batteries are made of, how we obtain those materials, and how we can get them back when the batteries reach the end of their lives—along with other options to make this industry less wasteful and more productive.For a deeper dive and additional resources related to this

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00:15:01

Geothermal: Earth’s infinite clean power

Ask MIT Climate ·

2025/04/17

Deep beneath the Earth’s surface, a molten stew of metals radiates vast amounts of energy. Prof. Roland Horne, Director of the Stanford Geothermal Program, joins TILclimate to talk about the “geothermal energy” technologies that tap this underground resource for electricity, manufacturing, and home heating and cooling. He also shares the recent breakthroughs that have begun bringing this always-on, clean, renewable source of energy to new places and applications.For a deeper dive and additional

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00:15:10

The great indoors

Ask MIT Climate ·

2025/04/03

Modern buildings are complex machines, using heating, cooling and a host of other appliances to turn energy into comfort. But that energy comes with a cost: today, our buildings do more to warm the climate than heavy industry, agriculture, or transportation. Prof. Tarek Rakha provides an architect’s view of buildings and the climate, sharing how we can build anew—and upgrade our existing buildings—to use less energy, lower our living costs, benefit the climate, and live more comfortably, all at the

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00:13:37

Did climate change do that?

Ask MIT Climate ·

2025/03/20

A new type of climate science is allowing us to draw clearer connections between our warming planet, and the extreme weather events this warming creates. Thanks to “climate change attribution,” scientists can now say confidently when climate change has made a heatwave or hurricane more likely, and by how much. Dr. Andrew Pershing explains how attribution science works, and why this information is useful for understanding and adapting to a warming world.For a deeper dive and additional resources

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00:15:15

Hasn't the climate changed before?

Ask MIT Climate ·

2025/03/06

The Earth has gone through massive climate change before—many times over, in fact!—but human civilization has not. Prof. David McGee, a specialist in the study of ancient climates, joins the show to explain what came before the 10,000 years of global stability in which complex human societies emerged and grew. Along the way, we explore the scientific tools used to study the distant past, the great cycles of the ice ages, and what it can all tell us about the climate change we’re experiencing

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00:15:11

Farm to table, with a side of fossil fuels

Ask MIT Climate ·

2025/02/20

The way we grow and distribute food today is deeply dependent on fossil fuels, yet that dependence can feel invisible. Sustainable food systems researcher Prof. Jennifer Clapp joins the show to walk us through all the ways fossil fuels are used to produce one simple food item: a tortilla chip. Along the way, we’ll explore the hard work being done to eliminate climate pollution from the food we eat.For a deeper dive and additional resources related to this episode, visit:

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00:16:06

2°C: the story of the global climate goal

Ask MIT Climate ·

2024/06/06

The landmark Paris Agreement of 2015 gave the world a shared target for halting climate change: that global warming should stop well short of 2 degrees Celsius. But how did that target come about, and what exactly does it mean? Prof. Maria Ivanova, a specialist in international environmental policy, shares with us the history and diplomacy behind those crucial 2 degrees.For a deeper dive and additional resources related to this episode, visit: For more episodes of TILclimate by the MIT Environmental

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00:09:43

Slow carbon, fast carbon

Ask MIT Climate ·

2024/05/30

The Earth naturally absorbs some of our climate pollution from burning fossil fuels. But how much, and how fast? Geophysicist Prof. Daniel Rothman joins the podcast to explain the nature and scale of the natural carbon cycle, and how our appetite for fossil fuels has pushed it out of balance.For a deeper dive and additional resources related to this episode, visit: For more episodes of TILclimate by the MIT Environmental Solutions Initiative, visit tilclimate.mit.edu. CreditsLaur Hesse Fisher, Host

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00:12:34

Is it safe to store CO2 underground?

Ask MIT Climate ·

2024/05/23

Today, companies are storing millions of tons of carbon dioxide underground every year to prevent this climate pollution from warming the planet. In the future it might be billions of tons. But is it dangerous to pump so much liquefied carbon below our feet? Geologist and carbon storage expert Prof. Bradford Hager joins the podcast to explain the risks and how to avoid them.For a deeper dive and additional resources related to this episode, visit: For more episodes of TILclimate by the MIT

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00:13:03

An introduction to carbon capture (re-air)

Ask MIT Climate ·

2024/05/16

What if there was a way to continue using fossil fuels for energy without emitting CO2 into the atmosphere? To prepare for a new listener question about carbon capture, we're re-airing this season two episode in which Dr. Howard Herzog and Professor Brad Hager talk about capturing, using, and storing carbon emissions, and how it fits into a clean energy future.

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00:14:10

How clean is green hydrogen?

Ask MIT Climate ·

2024/05/09

Is hydrogen fuel a climate solution? That depends on how you produce it. Dr. Emre Gençer of the MIT Energy Initiative takes us on a tour of the hydrogen spectrum, from climate-polluting “gray” hydrogen made from natural gas to the much more promising “green” hydrogen made with renewable electricity.For a deeper dive and additional resources related to this episode, visit: For more episodes of TILclimate by the MIT Environmental Solutions Initiative, visit tilclimate.mit.edu. CreditsLaur Hesse

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00:10:42

Why are EVs more popular than hydrogen cars?

Ask MIT Climate ·

2024/05/02

Just 20 years ago, hydrogen cars and battery electric cars were pretty evenly matched as clean alternatives to gas-powered vehicles. But today, batteries are way ahead: the big car companies are rapidly electrifying their lineups, while only a few hydrogen cars are available. What happened? Sergey Paltsev, senior research scientist at the MIT Energy Initiative, helps TILclimate answer this listener question. For a deeper dive and additional resources related to this episode, visit: For more episodes

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