Originally Posted by WarChild

Just finished reading "State of Fear" by Michael Crichton. It's fiction, but Crichton did quite a bit of research in to the science that forms the background of the story.

In any case, some facts (references available) that you might not know:

From 1986 to 2000 central Antarctic valleys cooled .7 degrees C per decade with serious ecosystem damage from the cold.

Both satellite data and ground stations show slight cooling over the last 20 years.

During the last four interglacials, going back 420,000 years, the Earth was .