Link: http://www.npr.org/blogs/money/2013/12/31/258687278/a-bet-five-metals-and-the-future-of-the-planet
Summary: A bet between a biologist and an economist over population growth. This Planet Money Podcast reports on a wager between biologist Paul Ehrlich and economist Julian Simon on the affect of population boom to our environment.
Original Air Date: January 2, 2014
Length: 7 minutes
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