Greenhouse gases make high temps hotter

Greenhouse gases make high temps hotter in China
Associated Press

Smoke is emitted from chimneys of a cement plant in Binzhou city, in eastern China's Shandong province on Thursday, Jan. 17, 2013. China, the world's largest producer of carbon dioxide, is directly feeling the man-made heat of global warming, scientists conclude in the first study to link the burning of fossil fuels to one country's rise in its daily temperature spikes. The study appeared online in late March 2013 in the peer reviewed journal Geophysical Research Letters. (AP Photo) CHINA OUT

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