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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

Here’s How Arctic Sea Ice Could Shrink Even More

Here’s How Arctic Sea Ice Could Shrink Even More

Climate change is the main driver behind receding Arctic sea ice. As summer ice shrinks further, it’s causing a host of other changes including the growth of large waves in the previously iced-over areas. Those waves could potentially hasten the demise of sea ice, leading to further changes in the fragile region. Changes brought on by global warmi… Read More

6 Degrees: Arctic Sea Ice Is Melting, but East Coast Isn’t

6 Degrees: Arctic Sea Ice Is Melting, but East Coast Isn’t

Review of top climate news, from the state of Arctic summer sea ice melt to the cost of delayed action on climate. … Read More

No Record, But Arctic Sea Ice Will be Among 10 Lowest

No Record, But Arctic Sea Ice Will be Among 10 Lowest

The extent of sea ice covering the Arctic Ocean at the end of the summer season likely won’t surpass the record low of 2012, but 2014 will still likely rank as one of the lowest minimum extents (or areas) in the record books. That’s according to Julienne Stroeve, a scientist at the National Snow and Ice Data Center in Boulder, Colo. “It’s likely… Read More

Scientists Begin Hi-Tech Quest for Arctic Sea Ice Answers

Scientists Begin Hi-Tech Quest for Arctic Sea Ice Answers

longer and cost a lot more than watching paint dry, it will be much more interesting and rewarding. They plan to discover just how the Arctic ice retreats, the rate at which it melts, and the oceanographic processes at work. The Arctic ice cap is a vital part of the climate machine, and the basis of an important ecosystem. But although the polar ic… Read More

As Arctic Ice Melts, Polar Bears Find a New Menu

As Arctic Ice Melts, Polar Bears Find a New Menu

Starving polar bears, icon of the climate change movement, may be able to adapt to an ice-free summer season in the Arctic after all. Scientists have long thought that polar bears essentially starve during the summer, living off fat reserves until the sea ice returns and they can venture out to sea to capture their main source of calories: seals. B… Read More