The Arctic Is Warming Faster Than at Any Point in the Past 1,500 Years

“Unprecedented.”

David Goldman/AP

The Arctic is warming faster than at any point in the past 1,500 years, according to a federal government report released Tuesday. The report, led by scientists at the National Oceanic and Atmospheric Administration, also found that maximum winter sea ice coverage in the Arctic was the smallest ever recorded.

The peer-reviewed annual report card, presented at the American Geophysical Union fall meeting, compiled the work of 85 scientists from 12 nations.

“The Arctic is going through the most unprecedented transition in human history,” said Jeremy Mathis, director of NOAA’s Arctic Research Program, during a press conference.

In 2017, maximum winter sea ice area, measured each March, was the lowest ever observed.  Permafrost, the layer of soil that remains frozen in the Arctic, also thawed faster than ever before.

A section of the report based on geological records found that sea ice is now declining, and temperatures warming, at a faster rate than at any other time in the last 1,500 years.

2017 was the second warmest year in the Arctic since 1900, when instrumental recordkeeping began. The all-time record was set last year. While fewer records were shattered this year than in 2016, the Arctic shows no sign of returning to the reliably frozen region it was decades ago, the report says.

The Arctic is warming about twice as rapidly as anywhere else on Earth, affecting people in the region, the fish and wildlife they depend on for food, and their environment.

“The Arctic has traditionally been the refrigerator of the planet,”  Mathis said. “But the door to that refrigerator has been left open.”

Overall, the Arctic has reached a “new normal,” the report finds, characterized by declines in sea ice cover, winter snow cover, and the mass of the Greenland Ice Sheet and Arctic glaciers.  The Arctic Ocean is also warming.

“The unprecedented rate and global reach of these changes highlight the pressing need to prepare for and adapt to the New Arctic,” the report says.

 

More Mother Jones reporting on Climate Desk

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“Great journalism really does make a difference in this world: it can even save kids.”

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Like another story about Mother Jones’ real-world impact.

This one, a multiyear investigation, published in 2021, exposed conditions in sugar work camps in the Dominican Republic owned by Central Romana—the conglomerate behind brands like C&H and Domino, whose product ends up in our Hershey bars and other sweets. A year ago, the Biden administration banned sugar imports from Central Romana. And just recently, we learned of a previously undisclosed investigation from the Department of Homeland Security, looking into working conditions at Central Romana. How big of a deal is this?

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