EnvironmentWhere is the iceberg that broke off Antarctica and is it a threat? An iceberg more than four times the size of New York City began drifting again after being stuck on the seafloor for nearly 40 years News
EnvironmentGreenland glaciers are receding twice as fast as in the 20th century An analysis of archive photographs shows that the retreat rate of hundreds of glaciers around the coast of Greenland has accelerated dramatically due to global warming News