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Greenland Ice Sheet Melt Nearing Critical ‘Tipping Point’ The Greenland ice sheet is poised for another record melt this year, and is approaching a "tipping point" into a new and more dangerous melt regime in which the summer melt area covers the entire land mass, according to new findings from polar researchers.

The Story Behind Record Ice Loss in Greenland - The news that an unusually widespread melt occurred in Greenland during mid-July, when 97 percent of the Greenland ice sheet — including normally frigid high-elevation areas — experienced some degree of melting, has made international headlines, and for good reason. Such a widespread melt event has not occurred there since at least 1889, and may be yet another sign of the consequences of manmade climate change.

Smaller Glaciers Boost Sea Level as Much as the Giants - As the planet warms under the influence of rising greenhouse gases, and melting ice drives sea level higher, scientists have focused mostly on changes in the vast ice sheets that cover Greenland and Antarctica. If either one melts substantially or slides into the ocean, the results would be catastrophic.

Arctic Has Lost Enough Ice to Cover Canada and Texas - The official end of the Arctic Ocean melt season could come any time now, but the sea ice that covers the North Polar region has already smashed the previous record low for end-of-summer ice area set in 2007.

Greenland's melt season started slow but is suddenly speeding up due to warm weather and dark ice.

Surprise Lake Sheds Light on Underbelly of Greenland Ice - On a clear day, anyone flying over Greenland on the route between North America and Europe can look down and see the bright blue patches of melted water atop the flat, blindingly white expanse of the ice sheet that covers the island, the second largest chunk of ice on Earth.

Upworthyfrom Upworthy

In Case You Missed It, Greenland Just Melted

In Case You Missed It, Greenland Just Melted.

Greenland’s Ice Sheet More Stable Than Once Believed - The enormous sheets of ice that lie atop Greenland may not be as prone to catastrophic melting as many scientists thought, even if the planet continues to warm and temperatures remain high for hundreds of years. But while that may sound like good news, new evidence also suggests that parts of the even vaster ice sheets that lie atop Antarctica could be more unstable than once believed.

Large Fractures Spotted in Vulnerable Arctic Sea Ice - Following more than two decades of Arctic sea ice thinning and melting, an unusual event just weeks before the start of the spring melt season is providing visual proof of how vulnerable the ice pack really is.

ScienceDailyfrom ScienceDaily

Gravity data show that Antarctic ice sheet is melting increasingly faster

Gravity data show that Antarctic ice sheet is melting increasingly faster -- ScienceDaily

The Huffington Postfrom The Huffington Post

‘Astounding’ Ice Melt May Lead To More Extreme Winters

Arctic Ice Melt Could Mean More Extreme Winters For U.S. And Europe | HuffPost

Now You Sea It, Now You Don’t: Watch Arctic Sea Ice Melt - One of the most striking changes that has taken place in the Arctic since the start of satellite monitoring in 1979 is the rapid decline of the perennial sea ice cover. This ice is the sea ice that survives the summer melt season, and is typically the thickest part of the sea ice cover, sometimes spanning several years. Sea ice extent has declined as the globe has warmed, but the ice cover has thinned as well.

Watch 27 Years of ‘Old’ Arctic Ice Melt Away in Seconds - The total amount of Arctic sea ice is near record low for this time of year. The amount of ice isn’t the only big story, though. A video from the National Oceanic and Atmospheric Administration shows a disturbing trend in the age of Arctic ice.

Study Sounds ‘El Niño Alarm’ For Late This Year - A new study shows that there is at least a 76 percent likelihood that an El Niño event will occur later this year, potentially reshaping global weather patterns for a year or more and raising the odds that 2015 will set a record for the warmest year since instrument records began in the late 19th century.