The University of Arizona

Southwest Climate Blog

The Southwest Climate Blog, a new feature of the Southwest Climate Change Network Web site, will explore challenges that experts and community members in the region face in trying to understand climate variability and change and make informed decisions.

Posted by Sarah LeRoy on September 23, 2012

Arctic sea ice, much of which melts every summer and refreezes every winter, has overall been declining in extent over the past 30 years—another signal of global warming. In a typical melt...