Tuesday, November 24, 2009

Mankind Using Earth's Resources at Alarming Rate

Nov. 24, 2009 - Agence France Presse

WASHINGTON - Humanity would need five Earths to produce the resources needed if everyone lived as profligately as Americans...
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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...