Why @AOC Scares the S**t Out of Republicans

This week Alexandria Ocasio-Cortez stirred up the Republican Party when she warned that that if we don’t solve the climate crisis in 12 years, the Earth could be doomed. Peter Brannen, author of “The Ends of the World: Volcanic Apocalypses, Lethal Oceans, and Our Quest to Understand Earth's Past Mass Extinctions,” joins Nick to explain why Cortez is correct, and how the past 400 million years on Earth can explain how we might be heading towards an overheated world that we can’t cool down.

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