So, yesterday I was reminded (by my dad) of a show I saw on the Discovery Channel a while ago on Supervolcanos. If we get an eruption of the bubbling mass of magma simmering under Yellowstone, there is going to be enough ash to significantly cover an area of 2000km2. The benefit is a little perverse: we won't have to worry about global warming, since the ash cloud spewed up in such an event would cause a multi-year winter that will kill off much of the animal and plant life on Earth. (Yay nature!)
(And Cheney's home state will have some new rock formations in the place of Yellowstone.)
