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Time Magazine: Glaciers are thought to change at, well, a glacial pace. Certainly that has been true throughout the planet's history. The current ice age -- known as the Pilocene-Quatenary glaciation, which began 2.6 million years ago -- has witnessed some 20 cycles of glacial (freezing) and interglacial (thawing) periods, with ice sheets advancing and retreating completely on roughly 100,000-year time scales. But scientists are unsure exactly what prompts the shifts in cycles. In glacial periods, ......
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Glaciers: Changing at a less than glacial pace
Posted by Washington Post: Juliet Eilperin on February 12th, 2010
Posted in Water Conservation