Have you actually watched "An Inconvenient Truth"?!
Yes, there are natural warming & cooling cycles, but what's currently happening has never been as bad in hundreds of thousands of years....which includes a few of those cycles. Our current trend is SEVERAL times worse then it has been since as far back as modern science can go (440,000 years)!!! And if that's not far back enough for you, you're hopeless.

:Smug:
Check this out!!!
http://www.flickr.com/photos/aidg/414930567/in/set-72157594577688012/
AMEN!!!
And you can check out several more convincing graphs here:
http://www.flickr.com/photos/aidg/sets/72157594577688012/
And in the end, what this means is that we won't burn up because of global warming, but rather introduce another ice age...and you think winters are cold now....Ken!
See what you did! You got me up on a soap box ranting about this...again.
Trust me...I don't mean to sound like one of those quacks who preach that the end is near, but it's really a serious issue. Who knows...maybe it's cuz of all the doom bands on our lineup this year that has inspired me to think so many doom thoughts recently?