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42 EpisodesProduced by MIT Environmental Solutions InitiativeWebsite

Climate change is confusing. 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 u… read more

42 Episodes | 2019 - 2023

Coming Soon: TILclimate Season 5

September 21st, 2023


This is MIT’s climate change podcast, Today I Learned: Climate. If you're looking to get smart quick on climate change – without the jargon and …

America’s Big Year of Climate Action

August 16th, 2023


On August 16, 2022, President Joe Biden signed into law the Inflation Reduction Act (IRA). It was the largest of three bills signed over the course of 10 months that together make up the United States’ largest …

Announcing TILclimate's Live Event: "America’s big year of climate action"

April 11th, 2023


On Wednesday, April 19, TILclimate will host its first live event at the MIT Museum in Cambridge, Massachusetts! Reserve your seat at to watch a live recording and join the questions as your host Laur …

TIL about recycling

February 16th, 2023


We often hear about recycling as a way to make an impact on climate change right in your own home. But how big a difference are we really making when we recycle? For this episode, Anders Damgaard, senior researcher at …

TIL about winter storms

December 15th, 2022


Winters are warming faster than any other season here in the U.S. So why are some winter storms getting even more intense? Today, we’re going to explore the connections between climate change and extreme winter weather. …

TIL about carbon offsets

November 17th, 2022


What if you could pay someone else to cancel out your carbon emissions? As countries, organizations, and even individuals around the world commit to …

TIL about everyday travel

September 15th, 2022


Roughly ten percent of the world’s CO2 emissions come from passenger vehicles: cars, pickups, motorcycles, buses, and taxis. So today, we’re going to zoom in on how people get around every day and what to consider when …

TIL about electric cars

August 25th, 2022


Electric vehicles (EVs) are being touted as a major solution to climate change. But why is that? How do they work and what kinds of changes are …

TIL about hydrogen energy

July 14th, 2022


Hydrogen gas acts like a fossil fuel, but with no carbon emissions. Is it the silver bullet we’ve been waiting for? Prof. Svetlana Ikonnikova of the …

TIL about the changing ocean (part 2)

June 2nd, 2022


The ocean is a critical piece of the climate change puzzle. It's estimated that the ocean has absorbed about one third of the excess CO2 humans have added to the atmosphere and more than 90% of trapped heat in the …

TIL about the changing ocean (part 1)

June 2nd, 2022


The ocean is a critical piece of the climate change puzzle. It's estimated that the ocean has absorbed about one third of the excess CO2 humans have added to the atmosphere and more than 90% of trapped heat in the …

Season 4 Preview

May 5th, 2022


At MIT, we have a commitment to sharing what we know about climate change. That’s why, this summer, we’ll be back soon with a fourth season of TILclimate, bringing you new episodes that dive into even more climate …

TIL what it costs

February 3rd, 2022


Today’s episode is about the money of climate change. When people talk about how much it costs to stop climate change, what are we paying for? And who’s paying, exactly? And if we don’t pay to stop climate change – how …

TIL about what I eat

January 20th, 2022


Today we bring climate change to the dining room table. In this episode, we reinvited Dr. Cynthia Rosenzweig onto the TILclimate podcast to tell us just a little more about the connections between the food we eat and …

TIL about farming a warmer planet

November 18th, 2021


Over the last fifty years, our world has made remarkable progress in reducing hunger around the world. How can we keep our farms and food system resilient in a warming climate? Dr. Cynthia Rosenzweig, Senior Research …

TIL about planting trees

October 7th, 2021


In our last episode, we talked about using technology to suck out extra carbon dioxide from the atmosphere. But you might also be thinking—don’t …

TIL about removing CO2 from the atmosphere

August 19th, 2021


We’ve had people ask us, if climate change is caused by adding too much CO2 into the atmosphere, can’t we just suck it back out? Won’t that solve our …

TIL about national security

July 22nd, 2021


Is climate change really a national security issue, in the same way we think about terrorism or nuclear weapons? And if so, what are our governments doing about it? In this episode of TILclimate (Today I Learned: …

TIL about sea level rise, part 2

July 1st, 2021


Sea level rise is already happening and affecting people right now. We invited Prof. James Renwick back to TILclimate to talk about the near future: what will sea-level rise look like for coastal areas in the next 20 or …

TIL about sea level rise, part 1

June 17th, 2021


If you’ve heard only one thing about climate change, it might be that sea levels are rising, and many of the Earth’s islands and coastlines are at risk. But, why? In this episode of TILclimate (Today I Learned: …

TIL what Americans think about climate change

February 25th, 2021


Surveys show that both left- and right-leaning Americans support policies that slow climate change. So why aren’t we seeing more of these policies …

Season 3 Preview

February 25th, 2021


Climate change can be confusing, and there’s so much to know. That’s why we’re back with a third season of TILclimate, bringing you new episodes that explain the basics, like why exactly is sea level rising, how climate …

Is it too late?

October 29th, 2020


Is it too late to prevent climate change? Are the scary predictions that we hear about inevitable? In this episode of TILclimate (Today I Learned Climate), MIT Prof. Noelle Selin joins host Laur Hesse Fisher to answer …

TIL about cleaning up clean tech

October 29th, 2020


Technologies like solar panels and batteries help us slow down climate change, but they’re not inherently perfect. In this episode of TILclimate …

TIL about fusion energy

August 13th, 2020


Let’s talk about a technology that could change our whole energy system, but so far hasn’t generated a single watt. In the season finale of …

TIL about carbon capture

July 16th, 2020


This season, we’ve talked about alternative energy sources that don’t emit carbon dioxide -- but what if there was a way to continue using fossil fuels for energy without emitting CO2 into the atmosphere? In this …

TIL about nuclear energy

June 18th, 2020


We know how to generate tons of electricity without pumping greenhouse gases in the atmosphere, using a technology that’s already mature, widespread, …

TIL about energy efficiency

May 7th, 2020


We hear a lot about technologies that produce carbon-free energy, but what about actually using less energy to begin with? In this episode of …

TIL about wind and solar

April 2nd, 2020


What will it take to generate the electricity our society needs, without generating carbon emissions? In this episode of TILclimate (Today I Learned Climate), Dr. Magdalena Klemun at the MIT Institute for Data, Systems …

Is it energy or electricity?

February 13th, 2020


In this mini-episode of TILclimate (Today I Learned: Climate), host Laur Hesse Fisher breaks down what we’re actually talking about when we use the word “energy”. In a few minutes, we cover the difference between energy …

TIL about fossil fuels

February 6th, 2020


Fossil fuels -- coal, natural gas, and oil -- provide the large majority of our power in the United States and around the world. In this episode of TILclimate (Today I Learned: Climate), John Reilly of the MIT Sloan …

TIL about the electric grid

January 30th, 2020


The electric grid are networks that carry electricity from central power plants to our homes. But how exactly is electricity generated and brought to our door? And what needs to change if we’re going to transition to …

TIL what I can do

October 3rd, 2019


Here at TILclimate (Today I Learned: Climate), there’s one question we get from our listeners more than any other: “What can I do to make a difference on climate change?” In this special episode of the podcast, three …

TIL about geoengineering

May 1st, 2019


When talking about climate change solutions, we often hear about reducing emissions and adapting to climate impacts, but a third option is starting …

TIL about carbon pricing

April 24th, 2019


What exactly is a carbon price, and how does it work? What would it look like and how would it change everyday life? In this episode of TILclimate …

TIL about climate impacts

April 17th, 2019


With climate change, some parts of the world will get more water, but others will experience droughts. Some will start seeing more mosquitoes, but some fewer. And some regions might actually benefit economically. What’s …

TIL about uncertainty

April 10th, 2019


How do we make choices in the face of uncertainty? In this episode of TILclimate (Today I Learned: Climate), MIT professor Kerry Emanuel joins host Laur Hesse Fisher to talk about climate risk. Together, they break down …

TIL about hurricanes

April 3rd, 2019


Scientists predict that hurricanes will hit us harder in the future — but why? And what can we expect to see? In this episode of #TILclimate (Today I Learned: Climate), MIT professor Kerry Emanuel joins host Laur Hesse …

TIL about materials

March 27th, 2019


Humans use around 90 billion metric tons of materials every year, creating about ⅓ of total global greenhouse gas emissions. Which materials produce the most emissions? You might be surprised.

In this episode of …

TIL about clouds

March 20th, 2019


Wrap your head around this: humans have changed clouds. In this episode of TILclimate (Today I Learned: Climate), MIT professor Dan Cziczo joins host Laur Hesse Fisher to spell out why this is, and what this has to do …

TIL about planes

March 20th, 2019


“I love to travel. But I hate the fact that something I love to do, creates so much pollution.” In this episode of TILclimate (Today I Learned: …

Coming Soon: TILclimate from MIT

March 6th, 2019


MIT Climate is launching a new show that breaks down climate science and its impact on our society. Here's a teaser. Full episodes will be released …

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