Shrug. They're making the same unfounded, ideology-driven assumption about CO2 driving climate. It's quite well-established that we have gone into ice ages at CO2 levels as much as ten times higher than today's.alexjrgreen wrote:http://www.newscientist.com/article/mg1 ... r-was.htmlBilly Catringer wrote:alexjrgreen wrote:When humans were few, the effect on the world's thermal balance was small, although even that may have been enough to avert another ice age.
A very large assumption about facts not in evidence.
This is like a primitive veterinarian discovering sick animals are all full of blood, and concluding blood must be the cause of illness.