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United States: Climate change: Forest warming forces warming

Great Lakes Echo: A rise of global temperatures will release more carbon dioxide from forest soils, according to a new study that includes a look at a Wisconsin forest. And that increased release of the greenhouse gas could make the climate heat yet even faster. Scientists at the University of the California Irvine heated by 10 to 20 degrees soil collected from forests in Wisconsin and North Carolina. They discovered that the warming released up to eight times more carbon dioxide. The study was published...