lunedì 22 settembre 2014

NYT Science: Warming Temperatures Threaten Fragile Balance in Canadian Arctic

Warming Temperatures Threaten Fragile Balance in Canadian Arctic
By MICHAEL BECKER

Hot summers are becoming more frequent, an ominous sign for the polar desert ecosystems that rely on stable ground ice

Published: September 23, 2014 at 4:00AM

via NYT Science http://ift.tt/1varUr8