Arctic Sea Ice


Hot Arctic and a Chill in the Northeast: What’s Behind the Gloomy Spring Weather?

, senior climate scientist

When temperatures lurk in the drizzly 40s and 50s well into flower season, northerners get impatient for summer. But when 80-degree temperatures visit the high Arctic, as they just did, and when sleet disrupts Mother’s Day weekend in May in Massachusetts, as it just did, thoughts turn to: What is going on here? Read more >

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Arctic Report Card 2017: Ice Cover Is Shrinking Faster Compared With Prior 1500 Years

, senior climate scientist

This year’s NOAA’s Arctic Report Card highlights that the Arctic’s sea ice area is shrinking at a faster pace than in the past 1,500 years–and it’s not rebounding. This information is crucial to the world: What happens in the Arctic influences coastlines everywhere and extreme weather events in the Northern Hemisphere. Read more >

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Graphic: Climate Change Institute

Global Warming in the Arctic: A Sensitive Climate Gone Off the Rails

, Senior analyst, Climate & Energy

Right now temperatures across much of the Arctic are 36 degrees F above normal. Large areas are well above freezing. And instead of rapidly expanding, sea ice extent is in decline. Taken together, this is not unusual. It’s unheard of. Read more >

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Detective or Scientist? Fingerprinting the Ocean to Estimate Global Sea Level Rise

Carling Hay, Ph.D.
, , UCS

When you pick up the newspaper or turn on the television, you are likely to find a story about climate change and rising sea levels. Most of these stories focus on making predictions for the next century and beyond. After all, don’t we already have a complete understanding of the past? The answer to that question isn’t quite so simple.   Read more >

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The Bering Sea Bomb and the Polar Vortex in our Warming World

, , former scientist and Kendall Science Fellow

A historic storm occurred over Alaska this past weekend as typhoon Nuri merged with an extra tropical system and became a perfect storm. With it also came the chance for more extreme weather for the United States in the form of a small polar vortex event that flooded much of eastern North America with frigid temperatures. But how can we have such cold outbreaks in our warming world? Read more >

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