Warming of the Arctic is ‘unprecedented over the last 1,500 years,’ scientists say

The Washington Post reports: The Trump administration’s mixed views on climate change notwithstanding, a group of federal scientists on Tuesday released a stark report on the warming at the top of the planet, suggesting that it is unparalleled in more than a millennium.

“The Arctic is going through the most unprecedented transition in human history, and we need better observations to understand and predict how these changes will affect everyone, not just the people of the north,” Jeremy Mathis said in a presentation at the 2017 meeting of the American Geophysical Union in New Orleans. Mathis is director of the Arctic Research Program of the National Oceanic and Atmospheric Administration.

Mathis was unveiling the 2017 Arctic Report Card, an annual NOAA report that documents the changing conditions for floating sea ice, the glaciers of Greenland, the thawing permafrost of the high latitudes, and more. [Continue reading…]

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