climate science

Alaska’s Changing Glaciers: A Guide to the Historic Photo Pairs

Alaska’s glacier photographs become especially informative when an older view is paired with a later image from the same position. Mountain...

2014-06-13T05:17:00-07:00

The widely shared 2013 “North Pole lake” image shows a summer melt pond on sea ice. Water at the surface made a striking picture, but the N...

2013-12-10T04:06:00-08:00

Antarctic sea ice has not followed a simple, uninterrupted growth trend. An older period of modest expansion prompted research into winds, ...

2013-08-22T05:36:00-07:00