A rate so great that if nothing was done to stop the rate of warming, there would be disatrous changes to the ecosystem from drought, floods,sea level rise and melting of the polar ice caps. Projections were put forth that suggested that significant portions of the earth would be underwater including coastal plains and islands in the Pacific ocean. The former vie President of the United States,Albert Gore, was responsible for a movie that famously called the issue "An Inconvenient Truth". This movie stated that "Global Warming" is settled science from which the planet we live on is on a trajectory to change man's habitat forever.