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Gore says climate change may nullify clean-up work around Great Lakes

DETROIT - Former Vice President Al Gore says climate change might nullify much of the progress made in cleaning up environmental damage on the Great Lakes.

Gore addressed the subject yesterday in Detroit at the annual meeting of the International Joint Commission. That's the U.S. and Canadian body which deals with issues affecting the waters that the two nations share. Gore said rising global temperatures have reduced the annual ice cover on the Great Lakes - causing more evaporation and driving down lake levels.

Also, Gore said severe storms are causing more sewage overflows into the Great Lakes - and new algae blooms are sucking oxygen from the waters. And the former vice president said things would get worse unless people reject what he called a "campaign of denial" from the fossil fuel industry. He said the nation can no longer afford not to make major reductions in greenhouse gas emissions.