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Politics : PRESIDENT GEORGE W. BUSH

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From: Kenneth E. Phillipps9/28/2005 8:38:12 AM
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Warmest summer in 400 years. Polar ice pack has shrunk by 30% since 1978.

Troubling Signs of Climate Change Seen in ArcticEffects of Global Warming Evident, As Polar Ice Cap Melts

POINT BARROW, Alaska, Sept. 27, 2005 — This season has ushered in the warmest Arctic summer in 400 years. A NASA report to be released this week finds the polar ice pack has shrunk by nearly 30 percent since 1978, and new satellite photos show the melting is speeding up.

Scientists say the Arctic may be caught in a vicious cycle of global warming. As ice melts, there's less white matter to reflect the sun's heat back into space. The dark ocean absorbs more of the sun's heat and that, in turn, melts more of the ice pack.

abcnews.go.com
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