Friday, March 2, 2012

Humanity’s Growing Impact on the World’s Freshwater

Sandra Postel of National Geographic's Freshwater Initiative
As the human population has climbed past seven billion, and the consumption per person of everything from burgers to blue jeans has risen inexorably, the finiteness of Earth’s freshwater is becoming ever more apparent. Full story here.

No comments:

The Fertilizer Falacy - Pushing Yields up and Profit Down

Understanding Agriculture  Nitrogen fertilizer is applied to winter wheat.  Photo by Michael Trolove. There’s a deeply held belief in modern...