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Human activity heating the sea.

Strong new evidence shows that ocean temperatures are rising because of human activity, and the impact on people and ecosystems worldwide could be severe, scientists on a American Association for the Advancement of Science (AAAS) panel have warned.

Appearing on a panel at the 2005 AAAS Annual Meeting n Washington, D.C., the scientists warned that global warming is already having an impact on plant and animal species, with one citing a massive die-off of ocean birds in the Bering Sea during the late 1990s.

The evidence--based on computer models and observations in the field--is so strong that it should put to an end any debate about whether human-caused global warming is a real phenomenon, said Tim Barnett, a research marine physicist in the Climate Research Division at Scripps Institution of Oceanography at the University of California-San Diego.

"The temperature-driven impact that these models predict over the next 30-40 years is severe, not only for the Western United States, but for China and Peru," Barnett said.

"Other parts of the world will face similar problems," he added in an unpublished paper released to reporters. The climate models "suggest that these scenarios have a high enough probability of actually happening that they need to be taken seriously by decision makers ... if it is not already too late."
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Title Annotation:climate CORNER
Author:Mills, Julie Taylor
Publication:Habitat Australia
Article Type:Brief Article
Date:Apr 1, 2005
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