Connie Hedegaard

Smoke billows from chimneys of the cooling towers of a coal-fired power plant in Dadong, Shanxi province, China. (AP Photo/Andy Wong, File)

Report ponders: How sensitive is climate to CO2?

STOCKHOLM (AP) — Scientists are more confident than ever that pumping carbon dioxide into the air by burning fossil fuels is warming the planet. The question is, by how much? It’s something that officials and […]

09/26/2013

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