Climate change threatens life in Shishmaref, Alaska

  By John D. Sutter, CNNDecember 3, 2009 3:39 a.m. EST Shishmaref, Alaska (CNN) — When the arctic winds howl and angry waves pummel the shore of this Inupiat Eskimo village, Shelton and Clara Kokeok fear that their house, already at the edge of the Earth, finally may plunge into the gray sea below. “The […]

Methane: A menace surfaces

Arctic permafrost is already thawing, creating lakes that emit methane. The heat-trapping gas could dramatically accelerate global warming. How big is the threat? What can be done? Methane bubbling up into the atmosphere from thawing permafrost that underlies numerous Arctic lakes appears to be hastening global warming. New estimates indicate that by 2100 thawing permafrost […]

Much less stable ice for polar bears, cubs cannibalized

Arctic sea ice conditions are even worse than feared after a survey found that ice detected as older and thicker by satellites is actually thin and fragile, a prominent Canadian researcher reported Friday. University of Manitoba researcher David Barber said experts around the world believed the ice was recovering because satellite images showed it expanding, […]

Ungulate migrations left in tatters

November 24, 2009 Southern Africa’s plains zebras and the asiatic wild ass have been identified among animals whose migratory habits have been left in tatters. A quarter of the world’s migrating species are suspected to no longer migrate at all because of human changes to the landscape, and all of the world’s large-scale terrestrial migrations […]

Warming to hit ‘roads, pipelines’ in Canada north

  By David Ljunggren OTTAWA (Reuters) – Roads, buildings and pipelines in Canada’s north are at risk from global warming and the government must do more to protect infrastructure in the remote frozen region, an official panel said Thursday. Temperatures in the north — which includes the Arctic — are rising much faster than elsewhere […]

Image of the Day: Thermokarst lakes on thawing permafrost soil in northeast Siberia

Thermokarst lakes appear on thawing permafrost soil in northeast Siberia in August 2007. For thousands of years, layers of animal and plant waste have been sealed inside the frozen permafrost. Now climate change is thawing the permafrost and lifting this prehistoric ooze from suspended animation. Russian scientists believe that this organic matter will significantly accelerate […]

Acid in Arctic waters eating away at shellfish

Greenhouse gas emissions from vehicles, power stations and industries far to the south are putting shellfish in the Arctic Ocean at risk,  an international team reports in the Nov. 20 edition of the journal Science. Acidification may put “some species at risk,” the researchers said, saying this could have a major impact on the entire […]

Permafrost thaw threatens Russia oil and gas complex: study

MOSCOW (AFP) — Thawing permafrost caused by global warming is costing Russian energy firms billions of dollars annually in damage control and shrinking Russia’s territory, Greenpeace warned in a new study Friday. According to the report by the environmental watchdog, up to 55 billion roubles (1.9 billion dollars) a year is spent on repairs to […]

Global warming a growing threat to Arctic reindeer

  By Staff WritersJarfjord, Norway (AFP) Nov 13, 2009 On Norway’s border with Russia, the consequences of climate change are affecting the reindeer population as rising temperatures hit food stocks and industry growth eats into vital grazing land. “Over the past three years, I’ve had to give some hay to my 800 reindeer during the […]

Graph of the Day: Greenland Ice sheet Cumulative Mass Anomaly, 2003-2008

Cumulative SMB-D anomaly (2003–2008) and comparison with GRACE data (18). Short horizontal lines indicate GRACE uncertainty, dashed lines the linear trends. GRACE values are not absolute numbers, and the curve has been vertically shifted for clarity. The scatter plot in the inset shows a direct linear regression between the monthly GRACE values as a function […]

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