Thawing permafrost releases old greenhouse gas

The thawing permafrost soils in the Arctic regions might contribute to the greenhouse effect in two respects: On the one hand, rising temperatures lead to higher microbial methane production close to the surface. On the other ...

Image: Mackenzie river in Canada's northwest territories

This view, acquired on Nov. 7, 2016, by the Operational Land Imager (OLI) on Landsat 8, shows a portion of Canada's Mackenzie River Delta and the town of Inuvik, home to more than 3,000 people. A frozen highway—194 kilometers ...

Methane measurements at low level flight

A team of scientists from the Alfred Wegener Institute for Polar and Marine Research in the Helmholtz Association (AWI) and the GFZ German Research Centre for Geosciences has just completed an airborne measurement campaign ...

Northern brown bears discovered feeding on whitefish runs

The discovery of brown (grizzly) bears feeding on migrating broad whitefish in a stream in Mackenzie Delta region of the Northwest Territories has researchers advising increased care in petroleum extraction and infrastructure ...