Al Gore's testimony before the U.S. House of Representatives Energy and Commerce Committee's Subcommittee, and the Science and Technology Committee's Subcommittee on Climate Crisis, abcnews.go.com. March 21, 2007.
"Climate Science: Is it currently designed to answer questions?". Richard Lindzen's remarks for Program in Atmospheres, Oceans and Climate at Massachusetts Institute of Technology, arxiv.org. September 19, 2008.