Wednesday, August 26, 2009

Global warming could slash crop yields 46 percent

As if we didn't already have enough trouble feeding all the people in the world, a recent study shows global warming could reduce crop yields 30 to 46 percent. (New Scientist) That's even if we reduce greenhouse gas emissions 50 percent by 2050, which isn't going to happen.

But isn't warm weather good for plants? To a point. But the more time the temperature is above 84 degrees, the lower crop yields are.

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