Methane, a highly effective greenhouse gas, is usually produced by decomposition of organic material, a complex process involving bacteria and microbes.
The Interior Department announced Friday it is canceling future lease sales and will not extend current leases in Arctic waters off Alaska's northern coast, a decision that significantly reduces the chances for future Arctic ...
Not so long ago, skeleton staff overwintering at the Ny-Alesund research centre could walk on the Arctic town's frozen bay and race their snow mobiles across its surface.
Shifts in the timing and duration of ice cover, especially the possible lengthening of ice-free periods, may impact polar bears under projected warming before the end of the 21st century, according to a study published November ...
Some of the coldest air of the 2014-2015 winter season was settling over the eastern two-thirds of the U.S. on February 13, 2015. That Arctic air mass brought wind chills from below zero to the single numbers from the Midwest ...
Daily weather patterns have changed in recent decades, making eastern North America, Europe and western Asia more prone to nastier summer heatwaves that go beyond global warming, a new study finds.
Oil giant Shell has resumed offshore drilling operations in Alaskan waters, the company said Friday, after one of its icebreakers was delayed for nearly two days by protesters dangling from a bridge.
The world is getting warmer, as greenhouse gases reach historic highs and Arctic sea ice melts, making 2013 one of the hottest years on record, international scientists said Thursday.
Methane emissions from Arctic tundra increase when sea ice melts, according to a new study from Lund University in Sweden. This connection has been suspected before, but has lacked strong evidence until now.
This Envisat image was acquired over the Westfjords peninsula in northwest Iceland.