Terrific article on Vladimir Shaidurov's hypothesis that the Tunguska meteorite may have caused global warming, the best I've seen so far.

It's a pity that the theory isn't getting any discussion, both right and left seem to hate the idea instinctively. Right or wrong it's interesting, and either way, might provide a practical way of counteracting global warming.

I've posted my own discussion of the theory at http://logictutorial.com/occam.html along with a discussion of how a too-simple view of Occam's Razor helped blind us to global warming for so long.