Here’s a striking pie chart that’s been doing the rounds recently (thanks to Simeon for drawing it to my attention). It doesn’t tell us anything that we didn’t already know, but it does make a point pretty succinctly. The survey was by James Lawrence Powell for a book called The Inquisition of Climate Science.
There’s a degree of subjectivity to all these things. You need to decide what constitutes rejecting global warming, for starters. The most contentious bit of the debate isn’t over whether the planet is warming or not, but why. You also need to choose your pool of articles to survey, and I’m not sure if it’s possible to be 100% comprehensive. Here’s the methodology, and take it for what it is.