They both need water.  Seems obvious at first look but...its not so simple.  As the human demand for water goes up, the pressure on water resources like the Green River increases.  How do we balance our in stream flows with our need, for say, beer?

Rob Harmon gives us a Ted Talk about "How to keep rivers and streams flowing". 

"With streams and rivers drying up because of over-usage, Rob Harmon talks about a clever market mechanism to bring back the water. Farmers and beer companies find their fates intertwined in the century-old tale of Prickly Pear Creek.

 The Upper Green River Gorge at low water.

The Upper Green River Gorge at low water.

 The Upper Green River Gorge at high water.

The Upper Green River Gorge at high water.

Green River Gorgefinal-1.jpg