Weird Links

 http://news.nationalgeographic.com/news/2006/09/06...

Sunspot-driven changes to the sun's power are simply too small to account for the climatic changes observed in historical data from the 17th century to the present..

Included for completeness, but see also Mars Melt Hints At Solar, Not Human, Cause For Global Warming, and also, since it cropped up in a quick Google news search: Climate scientist 'duped to deny global warming'..

A Leading US climate scientist is considering legal action after he says he was duped into appearing in a Channel 4 documentary that claimed man-made global warming is a myth.

This Channel 4 documentary, "The Great Global Warming Swindle" was pretty interesting, so if I find it uploaded to youtube or whatever then I'll post it (Edit: see below for link). Although it seems to me that you can find any number of conflicting studies for and against the role of CO₂ in global warming.

Edit: The Great Global Warming Swindle on Google Video (73mins)