[Boot Hill]

The American Geophysical Union declares:   "...that since 1900 more than 80 percent of the atmosphere's heat-trapping carbon dioxide...has been caused by fossil fuel burning and changes in land use."

Current CO2 levels are about 350 ppm (parts per million) and these BRAIN DEAD IDIOTS apparently want us to believe that prior to 1900 the CO2 level was a miniscule 70 ppm.

Yet the plain truth is that earth was covered with millions of square miles (literally) of forests, jungles and plains teeming with plant life. And for that plant life to flourish as it did, atmospheric CO2 was an absolutely indispensable ingredient. And they want us to believe that this abundance of plant life came about with a tiny 70 ppm of CO2 in the atmosphere?

Do they really think we're that stupid???

--Boot Hill

[cogitator]

Your math is off. The approximately pre-industrial CO2 concentration of the atmosphere is 285 ppm, not 70 ppm. The increase since the mid-1800s has been about 70 ppm.