solar cycle 24.

[tinfoil]

From the google search yu will be linke to the 4 part video of the presentation by archibald.

http://video.google.com/videosearch...#q=climate change archibald&hl=en&sitesearch=

http://www.lavoisier.com.au/papers/Conf2007/Archibald2007.pdf

*disclaimer*
Not intended for anthropogenic CO2 alarmists.