16 May '11, 12pm

Four Major Food Crops Already Under Threat from Climate Change #green

Four Major Food Crops Already Under Threat from Climate Change #green

Most news regarding the havoc wrought by climate change focuses on the future, but a study published in the online journal, Science Now , last week indicates that global rising temperatures are already affecting the production of four major food crops. David Lobell, an assistant professor of environmental earth science at Stanford University, and Wolfram Schlenker , an agricultural economist at Columbia University, found that rising temperatures and decreases in rainfall have had an impact on wheat, corn, rice, and soybeans: key crops that account for approximately 75 percent of calories consumed by people worldwide. The researchers looked at crop and climate data from 1980 to 2008, factoring in historical temperature and precipitation figures and their connection to wheat, corn, rice and soy yields, independent of improvements through better farming. Reviewing how yields ...

Full article: http://www.celsias.com/article/climate-change-affects-key...

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