Gore sets goal on fuels, climate change

WASHINGTON It's an audacious goal he hopes the next president will embrace. The Nobel Prize-winning former vice president has praise for both Barack Obama and John McCain, saying they're "way ahead" of most politicians in the fight against global climate change.

In an Associated Press interview previewing his address on global warming today in Washington, Gore says the cost of switching to so-called clean electricity sources could be as high as three trillion dollars over 30 years in public and private money. But he says it will also "pay itself back many times over."

He adds he's "never seen an opportunity for the country like the one that's emerging now."

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