Global heating a serious threat to the world’s climate refuges, study finds
Nature & Science

Global heating a serious threat to the world’s climate refuges, study finds

Biodiversity hotspots that have given species a safe haven from changing climates for millions of years will come under threat from human-driven global heating, a new study has found. Species that have evolved in tropical regions such Australia‚Äôs wet tropics, the Guinean forests of Western Africa and the Andes Mountains will come under increasing stress…

Scientists find another threat to Greenland’s glaciers lurking beneath the ice
Nature & Science

Scientists find another threat to Greenland’s glaciers lurking beneath the ice

(CNN)Scientists have long known that higher air temperatures are contributing to the surface melting on Greenland’s ice sheet.But a new study has found another threat that has begun attacking the ice from below: Warm ocean water moving underneath the vast glaciers is causing them to melt even more quickly.The findings were published Monday in the…

Arctic permafrost thaw plays greater role in climate change than previously estimated
Nature & Science

Arctic permafrost thaw plays greater role in climate change than previously estimated

Aerial image of interspersed a permafrost peatland in Innoko National Wildlife Refuge in Alaska interspersed with smaller areas of thermokarst wetlands. Credit: Miriam Jones, U.S. Geological Survey Abrupt thawing of permafrost will double previous estimates of potential carbon emissions from permafrost thaw in the Arctic, and is already rapidly changing the landscape and ecology of…