For perspective, Greg Laden points out that, among scientists, there's as much credence paid to the notion that humans are not causing global warming as there is to the existence of Big Foot.
Still not convinced? By all means, check the results for yourself. Study author Dana Nuccitelli suggests you visit Skeptical Science's Consensus Project where you can sign up to review abstracts and make up your own mind.
Cook, J., Nuccitelli, D., Green, S., Richardson, M., Winkler, B., Painting, R., Way, R., Jacobs, P., & Skuce, A. (2013). Quantifying the consensus on anthropogenic global warming in the scientific literature (2) DOI: 10.1088/1748–9326/8/2/024024.