TED Talks

Rob Harmon: How the market can keep streams flowing (2011x51)

Exibido em:: Mar 11, 2011

With streams and rivers drying up because of over-usage, Rob Harmon has implemented an ingenious market mechanism to bring back the water. Farmers and beer companies find their fates intertwined in the intriguing century-old tale of Prickly Pear Creek.