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Big Waves Bust Up Sea Ice, May Be Playing Role in Melt

Big Waves Bust Up Sea Ice, May Be Playing Role in Melt

Big ocean waves whipped up by storms hundreds or even thousands of miles away from Earth’s poles could play a bigger role in breaking up polar sea ice and thus contributing to its melt more than had been thought, a new study suggests. The study, detailed in the May 29 issue of the journal Nature, found that these waves penetrate further into the… Read More

Greenland Ice Sheet Melt Could Occur Yearly By 2100

Greenland Ice Sheet Melt Could Occur Yearly By 2100

In July 2012, Greenland ice sheet watchers sounded the alarm as 97 percent of the ice sheet surface melted. It was a rare occurrence, one that left researchers puzzling over the exact causes and its likelihood in the future. New research released Monday sheds light on the causes behind the melt and includes projections that show if greenhouse gas e… Read More

Greenland Glaciers More Susceptible to Melt Than Thought

Greenland Glaciers More Susceptible to Melt Than Thought

Greenland’s glaciers are more vulnerable to melting by warm ocean waters than previously thought, a new study of the topography of the bedrock under the ice finds. This clearer picture of the underpinnings of the miles-thick ice sheet, along with other recent studies that suggest parts of Earth’s polar regions are not as stable as once thought… Read More

Climate Change Poses Growing Threat of Arctic Conflict

Climate Change Poses Growing Threat of Arctic Conflict

Climate change poses a growing security threat and could cause conflict in the Arctic, a group of retired American generals and admirals said on Tuesday. In a new report, the former military officers said the Pentagon had been caught out by the rapid changes under way in the Arctic because of the melting of the sea ice. “Things are accelerating … Read More

How Low Will Summer Sea Ice Go? Ponds May Hold Key

How Low Will Summer Sea Ice Go? Ponds May Hold Key

The spring Arctic sea ice melt is well underway, the ice contracting to cover a progressively smaller area until it eventually reaches its annual minimum extent at the end of the summer. Though the melt has so far progressed in fits and starts, the ice has consistently covered a below-average area since reaching its annual maximum in March… Read More

6 Degrees: Icy Lakes, Space Pics, CO2 & Flood Footage

6 Degrees: Icy Lakes, Space Pics, CO2 & Flood Footage

From record ice levels in the Great Lakes to pictures of the epic floods in the Gulf, our news slideshow has it all. … Read More

Astronauts Capture Arctic Sea Ice Melt Season in Progress

Astronauts Capture Arctic Sea Ice Melt Season in Progress

Astronauts have the best seats in the house to watch a lot of amazing processes around the globe. This year’s Arctic sea ice melt is no exception. In an image captured from the International Space Station (ISS), spirals and eddies of ice are seen working south through the Sea of Okhotsk, located on the western edge of Russia and just north of Japa… Read More

Hot West, Cold East May be the Norm as World Warms

Hot West, Cold East May be the Norm as World Warms

The split personality of this winter’s weather in the U.S. appears to have been thousands of years in the making. The big driver behind the frigid-East and warm-West divide was a kinky jet stream, a pattern that arose 4,000 years ago. While natural variations have controlled its wanderings to date, climate change could make the duality we saw this … Read More