NBC Devotes Entire Hour to Man-Made Global Warming and How to Fix It

‘There is virtually no debate among climate scientists now; most agree that climate change is here and that we are the biggest reason’

Our Year of Extremes: Did Climate Change Just Hit Home? (NBC News)

The dazzling icescape at the top of our planet is mutating into a place that is barely recognizable to those who have studied it for years.

The Arctic is home to some of the world's most dramatic climate change, scientists say, with warming oceans and air melting ice at a rate experts never imagined possible. The warming there has drastic implications for the rest of the earth, scientists say.

"The Arctic is a very useful bellwether of change, and it's ringing," Jason Box, an American glaciologist, told NBC News' Ann Curry. Curry traveled to far corners of the globe for "Ann Curry Reports: Our Year of Extremes - Did Climate Change Just Hit Home?" which airs Sunday at 7 p.m. ET.

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