Earth & Environment - Tuesday, September 7, 2010 14:31 - 0 Comments

Is calcium carbonate Earth’s secret weapon?

UC DAVIS (US)—Calcium carbonate is the common thread that links sea urchins, limestone, and climate change, according to a new study. Continue…

Earth & Environment - Sep 7, 2010 11:02 - 1 Comment

Farm growth devastates tropical forests

STANFORD (US)—More than half a million square miles of new farmland—roughly the size of Alaska—was carved out of what was primarily tropical forests between 1980 and 2000, in the name of global agricultural expansion. Continue…

Earth & Environment - Sep 6, 2010 23:42 - 0 Comments

Pest control à la nature on coffee farm

U. MICHIGAN (US)—A 10-year study of an organic coffee farm in Mexico has uncovered a web of intricate interactions that buffers the farm against extreme outbreaks of pests and diseases. Continue…

Earth & Environment - Sep 2, 2010 12:32 - 0 Comments

Pepper pill gets to root of deer problem

U. MINNESOTA (US)—Delivering hot pepper concentrate right to the roots keeps pesky deer and mice from devouring plants before they make it to the dinner table. And unlike spray deterrents, it can’t wash off. Continue…

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