While the climate denial nonsense is certainly irritating at the very least, especially when it comes from the likes of fossil fuel barons and political buffoons such as U.S. Senator James Inhoff, we can't waste our time with the assorted yahoos or members of the flat earth society.

It means that more of us have to get in the game, be a lot smarter, and realize that the average politician in Washington, D.C. is not going to make the necessary changes without a great deal of constant pressure.

This excellent presentation on the ways climate is unfolding in California, where climate change is occurring outside any range of natural variability, provides some concrete examples for all of us, regardless of where we live. See A Tipping Point.