Wednesday, August 19, 2009

Methane Seeps From Arctic Sea-Bed

By Judith Burns - Science reporter, BBC News.Photo by Peter Hollinger
Scientists say they have evidence that the powerful greenhouse gas methane is escaping from the Arctic sea-bed.

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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...