Some fun stuff on slashdot today about global warming:

First, an article about a study of the last 10 years of 
articles published in peer-reviewed science journals about 
global warming shows an unusual degree of consensus on 
the basic question of global warming:

http://www.sciencemag.org/cgi/content/full/306/5702/1686

And, a group of geologists presents a pretty clear overview
of the case that "The dangers posed by climate change are no longer
merely possible and long-term. They are probable, imminent, and global
in scope.":

http://ebulletin.le.ac.uk/features/2000-2009/2004/12/nparticle-vkt-hgf...