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Persistent Warming Driving Big Arctic Changes

Persistent Warming Driving Big Arctic Changes

Not every year can be a record setter in the Arctic. But records are only one small piece of a larger puzzle that shows persistent change in the Arctic. And that change hasn’t slowed according to this year’s Arctic Report Card released at the American Geophysical Union’s Fall Meeting on Wednesday. Long-term trends in rising temperatures, spirali… Read More

Greenland’s Ice Sheet Shifts Could Speed Melt

Greenland’s Ice Sheet Shifts Could Speed Melt

New discoveries in Greenland’s warming ice sheet tell a chilling tale of change in its depths. Mysterious under-snow lakes pockmarking its edges and deep layers of ice at higher elevations both point to changes that could hasten melt and send water cascading into the ocean, pushing global sea levels ever higher. Researchers revealed findings of th… Read More

The End and Beginning of the Arctic

The End and Beginning of the Arctic

In the winter of 2013–14, hundreds of milk-white birds with luminous yellow eyes and wingspans of up to 5 feet descended on beaches, farmers’ fields, city parks and airport runways throughout southern Canada and the United States. Traditionally, snowy owls spend most of their time in the Arctic and subarctic regions. But every four years or so … Read More

6 Degrees: Earth’s Lungs, Ozone Info, Snow Woes & More

6 Degrees: Earth’s Lungs, Ozone Info, Snow Woes & More

New greenhouse gas concerns to Arctic sea ice decline's link to cold winters, all in this week's top news. … Read More

Cold Winters in Europe, Asia Linked to Sea Ice Decline

Cold Winters in Europe, Asia Linked to Sea Ice Decline

In the latest study to look at the possible connection between the precipitous decline of Arctic sea ice and extreme weather over the Northern Hemisphere, researchers found that cold winters over Europe and Asia were twice as likely thanks to sea ice decline in a particular part of the Arctic. The proposed connection between the precipitous declin… Read More

Greenland Sediment Sheds Light on Sea Level Rise

Greenland Sediment Sheds Light on Sea Level Rise

Greenland’s ice sheet is scraping rock bottom. No, it’s not hard up and in need of a loan. As ice moves from the center of the island to the sea, it’s scraping bedrock and transporting clues about just how fast the ice sheet is melting from the bottom up and what that means for sea level rise. The planet’s largest island is mostly covered in ice up… Read More

Arctic Sea Ice to Reach Sixth Lowest Extent on Record

Arctic Sea Ice to Reach Sixth Lowest Extent on Record

As summer draws to a close, the Arctic sea ice melt season is coming to an end. And while the season didn’t top 2012’s astounding record melt, it has still resulted in what will likely be the sixth lowest September minimum ice extent on record. The extent of the ice on Sept. 15 was 1.96 million square miles, according to the National Snow and Ice D… Read More

The Good and Bad Climate News from Permafrost Melt

The Good and Bad Climate News from Permafrost Melt

Earth’s subterranean carbon blisters are starting to pop. Carbon inside now-melting permafrost is oozing out, leaving scientists scrambling to figure out just how much of it is ending up in the atmosphere. Whether recent findings from research that attempted to help answer this question are good or bad climate news might depend on whether you see … Read More