>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." > >Was that when the CO2 rose to 8,000 ppm?
I don't know the numbers. -- We are geeks. Resistance is voltage over current.