Tuesday, April 5, 2011

Record Stratospheric Ozone Loss in the Arctic in Spring of 2011

Geneva, 5 Apr '11 (WMO) 
Depletion of the ozone layer- the shield that protects life on Earth from harmful levels of ultraviolet rays - has reached an unprecedented level over the Arctic this spring… Full story 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...