Politics

Video: "As your president, I'm here to make sure that you get the support that you need."

President Obama's trip north centered on climate change. These are the last moments of his speech in Kotzebue. He left the crowd with a warning: "When it comes to climate change, there is such a thing as 'being too late.' The effects can be irreversible if we don't act," he said. "And that moment is almost here."

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