After years of looking to energy profits instead of science, Sarah Palin has finally accepted the argument that human activity has led to an increase in global warming. Palin now says, “I believe that man’s activities certainly can be contributing to the issue of global warming, climate change.”

The Guardian:

Palin had previously cast doubt on the cause of rapid Arctic sea ice melting in her home state of Alaska. One day before she joined the Republican ticket in August, she told conservative website NewsMax: “I’m not one … who would attribute [climate change] to being man-made.”

Palin’s shift brings her more in line with McCain, who has acknowledged that warming comes from the burning of fossil fuels and vowed to regulate US carbon emissions as president.

But the Alaska governor also expressed sympathy with fellow conservatives who continue to believe – in the face of broad scientific consensus – that observed climate change is a natural variation unrelated to human activity.

“Whether it’s entirely, wholly caused by man’s activities or is part of the cyclical nature of our planet, the warming and the cooling trends – regardless of that, John McCain and I agree that we’ve got to do something about it,” Palin said.

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