Topic: Polar Science Center
New data indicates the continuation of a long-term decline in summer ice underway since at least 1979. Researchers say roughly half the decline can be attributed to global warming.
09/10/2011 06:52 pm
Free, online lectures and course materials offer Ivy-League classes to everyone.
05/13/2009 01:00 am
Global warming may have accelerated the irreversible loss of ice shelves that are thousands of years old, say scientists.
09/04/2008 01:00 am