Lawrence Solomon has an interesting article on sunspots climate change. It would be good if scientists were exploring all possibilities.
Lawrence Solomon: Chilling evidence
Lawrence Solomon September 16, 2010
Two years ago, William Livingston and Matthew Penn of the National Solar Observatory in Tucson, in a controversial paper that contradicted conventional wisdom and upset global warming theorists, predicted that sunspots could more or less disappear after 2015, possibly indicating the onset of another Little Ice Age.