Friday, September 16, 2016

Polar Bears Losing Crucial Sea Ice: Study


theguardian

Life-sustaining sea ice needed for hunting, resting and breeding is declining in all 19 regions of the Arctic inhabited by the species.  Story here.

Ansgar Walk

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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...