The very geologically active Yellowstone area is estimated to be overdue for a major eruption, the last one some 640,000 years ago. In recent years, surface temperatures have risen and many species of animals have evacuated the park. We should pay attention when entire species flee an area we can see is getting dangerous. If Yellowstone blows, it will pretty much destroy the United States and paralyze the northern hemisphere for many years. Days of darkness and major death tolls (billions) bring