Sociologist Robert Brulle’s graph tracking network news coverage of global warming, via NY Times Dot Earth blog. Yes, that final arrow is pointing to the release of Al Gore’s “An Inconvenient Truth”,
GlobalWarming

How sad it is the level of hyperbole, fraud and intimidation that have been put upon the American public world in the name of Global Warming Climate Change. Talk about a crime against the humanity.
GoreLies