ENGL&102 (Oldham): Climate Science

This division of NOAA (the National Oceanic and Atmospheric Administration) has a wealth of information on climate change, including a very helpful FAQ (Frequently Asked Questions) that starts with short, simple answers but takes you deeper into the topics if you want to go there.

A comprehensive research program from the Massachusetts Institute of Technology.

Their description of themselves reads, "RealClimate is a commentary site on climate science by working climate scientists .... We aim to provide a quick response to developing stories and provide the context sometimes missing in mainstream commentary. The discussion here is restricted to scientific topics and will not get involved in any political or economic implications of the science. All posts are signed by the author(s), except ‘group’ posts which are collective efforts from the whole team. This is a moderated forum."

A distributed computing project, using thousands of individual home computers around the world to produce predictions of the Earth's climate up to 2100 and to test the accuracy of climate models.