What will the Earth be like in 5,000 or 50,000 years? In this far-sighted episode, Josh and Chuck explore how Earth may change over time. Listen in to learn more about humanity's odds of survival -- and how technology just might save us.
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Selects: Mangroves: Nature's Best Tree?
44:31

How the Kowloon Walled City Worked
41:27

Short Stuff: In-Flight Entertainment
12:23