When Greenland Was Green And Warnings For The Future
About 400,000 years ago, large parts of Greenland were ice-free. Scrubby tundra basked in the…
Greenland ice-sheet
In 20 Years, Greenland Ice Sheet Loses Enough Water To Submerge US
Greenland’s immense ice sheet has lost enough ice in the past 20 years to submerge…