This is a very good article by David Evans
Posted on 12/11/2007
The natural science of climatology and the social science of economics find themselves bound up with each other in the debate on global warming.
There are many economic issues to discuss concerning the government’s ability to control the future of weather patterns through regulation and the like.
But so far, the debate has focused on the natural-science question of whether global warming is actually occurring, and, if so, what its cause is. Here is where the popular understanding is very much in need of correction.