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permafrost

New Research More than Doubles Rate of Abrupt Thawing of Arctic Permafrost Beneath Thermokarst Lakes

The warming climate may cause the release of a massive, unanticipated burst of methane and carbon dioxide long-locked up in permafrost beneath Arctic lakes by the middle of this century, according to a new study from NASA. Permafrost has been thawing more rapidly as a result of the warming climate and mean annual temperatures have been rising more rapidly in…

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Don't allow drilling in the Arctic National Wildlife Refuge

Arctic National Wildlife Refuge in GOP Budget Crosshairs

Tell your Senator to remove drilling in the Refuge from the budget Contact your Senator now! A Medium post published by the Wilderness Society lays out the new threats facing the Arctic National Wildlife Refuge. Congress is set to vote this month on a provision in the proposed budget allowing drilling activity in the refuge. The last refuge The Arctic…

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Thawing Russian Arctic Permafrost Leads to Anthrax Outbreak

Seventy-two nomadic herders, including 41 children, living in the Russian Arctic Circle town of Salekhard have been hospitalized since reindeer began dying en masse due to an anthrax outbreak that scientists linked to rising temperatures, which is causing permafrost to thaw.

Landsat Study Reveals Greening Across North America’s Arctic

Analyzing 29 years worth of satellite images (1984-2012), a NASA Goddard Space Flight Center research team found nearly one-third of land cover has been changing to resemble landscapes in warmer ecosystems.

Shrinking sea ice forces Polar Bears into "marathon" swims as population declines

Polar Bears Undertaking Marathon Swims, Populations Declining Rapidly as Sea Ice Disappears

The polar bear population in the Beaufort Sea area have declined 50% or more in the last decade. Nearly 7 in 10 of the 100 bears the researchers monitored swam at least 49 km (30.44 mi) in 2012. That’s up 25% from 2007.

13th Consecutive Year of Record Low Arctic Sea Ice Winter Maximums

Spanning 14.52 million square kilometers ( 5.61 square miles) as of March 24, 2015’s winter maximum was reached 12 days later than the average from 1981-2010. A late season surge is still possible, the National Snow & Ice Data Center noted, adding that it will post a detailed analysis of Arctic winter sea ice conditions in late April.

EarthTalk: Understanding Climate Change – The Importance of the Arctic

EarthTalk® is a weekly environmental column made available to our readers from the editors of E/The Environmental Magazine Dear EarthTalk: Why is the Arctic such a crucial area to focus on in efforts to stem global warming?  – Joseph Constabile, Dedham, MA The image of a polar bear standing on a shrinking iceberg has become one of the most iconic symbols…

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