Columbia University Center on Global Energy Policy
The Big SwitchEpisodes
Best Episodes of The Big Switch
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This is the final episode of a five-part series exploring the lithium-ion battery supply chain. If you haven’t listened to the first four episodes, we recommend you start there. So far over this season we've traced the global lithium-ion ba
This is the fourth episode of a five-part series exploring the lithium-ion battery supply chain. If you haven’t listened to the first three episodes, we recommend you start there. China has been the world's biggest battery manufacturer for
This is the third episode of a five-part series exploring the lithium-ion battery supply chain. If you haven’t listened to the first two episodes, we recommend you start there. Batteries can replace gasoline in our cars, or diesel in our ge
This is the second episode of a five-part series exploring the lithium-ion battery supply chain. If you haven’t listened to the first episode, we recommend you start there. To produce enough batteries to reach global net-zero goals, the Int
We need to electrify much of the global economy in order to hit net-zero emissions by 2050. That means installing a lot of batteries in our cars, buildings, and across the grid to balance vast amounts of wind and solar. The supply chain beh
Batteries are finding their way into everything – from cars to heavy equipment to the electric grid. But scaling up production to meet the demands of a net-zero economy is complicated and contentious. In this 5-episode season, we’re digging in
This week, we’re running an episode of Degrees: Real talk about planet-saving careers, from our friends at Environmental Defense Fund: “The fastest electric vehicle fleet makeover in the west”. Degrees is an action hub for green job seekers to
This is the fifth episode of a five-part series exploring the European energy crisis in the wake of Russia’s invasion of Ukraine. If you haven’t listened to the first four episodes, we recommend you start there. In March of 2022, European offic
This is the fourth episode of a five-part series exploring the European energy crisis in the wake of Russia’s invasion of Ukraine. If you haven’t listened to the first three episodes, we recommend you start there. After the Russian invasion of
This is the third episode of a five-part series exploring the European energy crisis in the wake of Russia’s invasion of Ukraine. If you haven’t listened to the first two episodes, we recommend you start there. Even with a plan to phase down fo
This is the second episode of a five-part series exploring the European energy crisis in the wake of Russia’s invasion of Ukraine. If you haven’t listened to the first episode, we recommend you start there. Germany has grown its wind and solar
Putin’s assault on Ukraine triggered an energy crisis that sent Europe’s economies into a tailspin and put the European energy transition to the test. But how did the European Union, a leader in climate action, become so dependent on Russian oi
Russia's invasion of Ukraine sparked supply shortages, fears of blackouts, and a scramble to find new sources of energy. In this season of The Big Switch we’re trying to answer the trillion-dollar question: Will the energy crisis speed up or sl
Geothermal energy doesn’t get near the attention that wind and solar do. But to decarbonize our energy systems, we need a team of net zero technologies. And despite geothermal’s low profile, it’s an always-on, zero carbon technology that can c
There’s been a pretty major shake-up in the world of transit decarbonization. This summer, the California Air Resources Board – a state organization that regulates air quality – approved a rule mandating that by 2035, all new cars sold in Calif
In this episode, a former oil-and-gas man named Efrem Jernigan catches the solar bug. Inspired by the potential for lower energy bills and green jobs, he looks into bringing solar to the neighborhood he grew up in, a historically black part of
On this show we talk a lot about the “big switch” to zero-carbon energy sources. But there’s another kind of switch that needs to happen, too. You might have heard the term “just transition” before – the idea that as we make the switch to new e
Frogs. Bees. Finicky software. There are a lot of things that can cause an electric vehicle charging station to break. We need to replace fossil-fuel powered vehicles with EVs as soon as possible—but if the stations don’t work, it will slow the
We’re switching things up a bit for the next few weeks. Instead of continuing our sector-by-sector decarbonization tour, we’re taking you to the front lines of the energy transition – to communities where the big switch to a zero carbon future
Building codes: they might sound boring, but they’re actually the front lines in a nationwide battle to decarbonize our buildings. And they do a lot more than keeping your home from falling down over your head. They regulate everything from en
There are 5.5 million commercial buildings in the U.S. Why are only 700 of them net-zero? We have the technology to slash carbon emissions from commercial buildings, which account for 16% of all U.S. emissions. And retrofitting commercial buil
It’s officially summer in North America, and that means one thing – it’s getting hot. Every year, heat waves are the deadliest extreme weather event, and they’re only getting more severe. Often, the people who fall victim to heatwaves are those
In this episode, we’re touring a home with a buildings doctor. Ian Hamilton is a professor of energy, environment and health at University College London. Together, Melissa and Ian show us the parts of our homes we need to upgrade to zero out
This week on the show, we meet someone on a mission: to decarbonize America’s buildings. Decarbonizing buildings is is actually a huge piece of decarbonizing our economy: carbon pollution from heating, cooling, and powering our buildings accoun
Ninety-five. That’s the number of times we've mentioned hydrogen on The Big Switch over the past 18 episodes. This week, we’re taking a step back to ask what IS hydrogen? And how can it help decarbonize the economy? It turns out, there’s a whol
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