Thursday, August 9, 2012

World's Underground Water Resources Are Being Over-Exploited, Scientists Say

Reuters

Irrigation pivots sit idle in winter, in the US midwest. PLT photo.
LONDON, Aug 8 (Reuters) - The world is depleting underground water reserves faster than they can be replenished due to over-exploitation, according to scientists in Canada and the Netherlands. 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...