On 6/2/2014 6:23 PM, Greg Goss wrote: > cloud dreamer <firstname.lastname@example.org> wrote: > > >> What is happening now is going to be completely outside the climate that >> has existed over those three million years. The level of CO2 alone is >> already 100 ppm above the natural high and continues to increase at a >> rate of 2 ppm per year minimum....a rate that takes nature almost 1000 >> years to replicate. Atmospheric temperatures are following. > > Well, if you go back 250 million years, you see a CO2 rise as fast as > it does now. One theory is that a megavolcano burying Siberia lit off > a bunch of coal fields, and both the volcano and the coal fields sent > the CO2 sky-high. > > Of course that event is commonly called "The Great Dying."