http://news.bbc.co.uk/2/hi/science/nature/7327393.stm

Lancaster University scientists have destroyed the credibility of a prominent theory used by human-caused global warming deniers: they have proven that the cycles of solar activity have no link to climate change.

[Dr. Harrison] showed that over the last 20 years, solar activity has been slowly declining, which should have led to a drop in global temperatures if the theory was correct.

The Intergovernmental Panel on Climate Change (IPCC), in its vast assessment of climate science last year, concluded that since temperatures began rising rapidly in the 1970s, the contribution of humankind's greenhouse gas emissions has outweighed that of solar variability by a factor of about 13 to one.

The case for significant climate change legislation grows...

BBC; April 3, 2008

Submitted by B. Shapiro