This is an I-Heart podcast.

This is Solvable.

I'm Ronald Young, Jr.

Things like solar panels are no longer some kind of fringe technology that's like good for hippies and whatever.

This is the cheapest way to generate power around the world now.

So we understand the basics of climate change.

You burn coal and gas and oil.

You put carbon into the air.

The molecular structure of that CO2 traps heat that would otherwise radiate back out into space.

Things get hotter.

Lots of tundra up in the far north will melt. And when it does, it'll release huge amounts of carbon and methane into the atmosphere accelerating this heating cycle.

And this isn't your fun in the sun, let's take a trip and get out of the cold type of heat.

This is the kind of murderous heat that humans cannot survive.

And the change in climate has already begun to affect our lives now, with rampant wildfires in California or the

severe winter storms that caused the power crisis in Texas.

These problems are urgent to solve.

We're past the point where we can make the math work one Tesla at a time, one vegan dinner

at a time.

Bill McKibben is the founder of 350.org, and he's worked on fighting climate change since the

1980s. And since the 1980s, communal concerns have grown louder and louder. At first, it was just

environmentalists and scientists piling up evidence. But now, action is critical.

We're talking massive, dramatic action and global collaboration.

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