Sunday, June 16, 2013

Al Gore Says Obama Must Veto 'Atrocity' of Keystone XL Tar Sands Pipeline

theguardian
Former vice-president says oil pipeline is 'really a losing proposition' and demands climate plan promised at inauguration. Details here.

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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...