"We are convinced that the overwhelming scientific evidence indicated that climate change is taking place and human activities play a very large role," McCain said.
McCain, accompanied by Sens. Hillary Rodham Clinton, D-N.Y., Susan Collins, R-Maine, and Lindsey Graham, R-S.C., spoke to villagers in Canada whose spruce trees are being attacked by the northward spread of spruce beetles. On Alaska's northern coast, they met Native Alaskans dealing with melting permafrost and coastal erosion.
"I don't think there is any doubt left for anyone who actually looks at the science," Clinton said. "There are still some holdouts, but they are fighting a losing battle. The science is overwhelming, but what is deeply concerning is that climate change is accelerating."
Graham, who declared himself "on the fence" about climate change legislation, said an academic debate about global warming is different in the North.
"If you can go to the Native people and listen to their stories and walk away with any doubt that something's going on, I just think you're not listening," he said.
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