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Published: August 6th, 2009 08:22 AM
Last Modified: August 6th, 2009 08:31 AM
Los Angeles Times: Global warming has melted U.S. glaciers at a rapid and accelerating rate over the last half-century, increasing drought risk and contributing to rising sea levels, the federal government reports today based on data from a 50-year study of glaciers in Alaska and the Pacific Northwest. The U.S. Geological Survey study focuses on three glaciers, the Wolverine and Gulkana in Alaska and the South Cascade Glacier in Washington, which are known as "benchmark glaciers" because their varying climates and elevations are representative of thousands of other glaciers across the continent. The Gulkana and Wolverine glaciers have both lost about 15 percent of their mass since the mid-1950s, the data show.
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