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Reuters: Ancient hunters who stalked the world's last woolly mammoths likely helped warm the Earth's far northern latitudes thousands of years before humans began burning fossil fuels, according to a study of prehistoric climate change. The demise of the leaf-chomping woolly mammoths contributed to a proliferation of dwarf birch trees in and around the Arctic, darkening a largely barren, reflective landscape and accelerating a rise in temperatures across the polar north, researchers at the ......
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Woolly mammoth hunters helped change climate
Posted by Washington Post: Juliet Eilperin on July 15th, 2010
Posted in Water Conservation