Friday, October 14, 2011

Mass Extinctions Linked to Climate Change are Already Underway.

Environmental Health News - Summer - 2011
New evidence confirms what scientists have long suspected: that climate change is already having major effects on many of the world's species. Details here.

Endangered Afghan Markhor at 
the Winnipeg zoo. PLT photo

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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...