all, gosh co2 is not a factor when it comes to climate change, was all of the schoolingi i had as a child completely wrong? no, it wasn t wrong and there is no credible science or scientist who will tell you the contrary. the fact is carbon dioxide, the greenhouse gases is responsible for climate change. no sign tis will say this but the epa head says this? look, this is america and you can make whatever statements you want to, but everybody will pretty much agree, just about an hour ago i interviewed one of the leading climate scientists in this country, dr. marshall shepherd and here s what he had to say about it. the basic physics of the atmosphere suggest that greenhouse gases are in fact the primary forcing function on a warming climate system. greenhouse gases and the impacts