TED Talks
Rob Harmon: How the market can keep streams flowing (2011x51)
Data di messa in onda: 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.
- Iniziato: Dic 2006
- Episodi: 2998
- Followers: 10