(en) P.J. Jacques, R.E. Dunlap, R.E., M. Freeman, « The organisation of denial: Conservative think tanks and environmental scepticism », Environmental Politics, vol. 17, no 3, , p. 349–385 (DOI10.1080/09644010802055576)
(en) Aaron M. McCright, Riley E. Dunlap, « Defeating Kyoto: The Conservative Movement's Impact on U.S. Climate Change Policy », Social Problems, vol. 50, no 3, , p. 348–373 (lire en ligne)
theguardian.com
(en) Ed Pilkington, « Palin fought safeguards for polar bears with studies by climate change sceptics », The Guardian, (lire en ligne, consulté le )