William Happer (Princeton University) explains why carbon dioxide emissions do not significantly affect global temperature.
Tony Heller has a great climate site, on which he regularly posts evidence of IPCC fraud
Variations in atmospheric carbon dioxide do not cause global temperature variations; the opposite is true. Today's carbon dioxide level is lower than ever recorded in the geological history of our planet, and its rise during the last century is due to natural causes only.
Michael Mann was "encouraged" by the IPCC to file a law suit against a Canadian climatologist. The IPCC was too optimistic and Mann had to commit contempt of court.