News tagged with century

The least sea ice in 800 years

New research, which reconstructs the extent of ice in the sea between Greenland and Svalbard from the 13th century to the present indicates that there has never been so little sea ice as there is now. The ...

Jul 01, 2009 4.1 / 5 (66) 77

Warming turns tundra to forest

(Phys.org) -- In just a few decades shrubs in the Arctic tundra have turned into trees as a result of the warming Arctic climate, creating patches of forest which, if replicated across the tundra, would significantly ...

Jun 04, 2012 3.9 / 5 (17) 125 | with audio podcast