Although nearly all domain experts agree that carbon dioxide emissions are altering the world’s climate, segments of the public remain unconvinced by the scientific evidence. Internet blogs have become a platform for denial of climate change, and bloggers have taken a prominent role in questioning climate science. We report a survey of climate-blog visitors to identify the variables underlying acceptance and rejection of climate science. Our findings parallel those of previous work and show that endorsement of free-market economics predicted rejection of climate science. Endorsement of free markets also predicted the rejection of other established scientific findings, such as the facts that HIV causes AIDS and that smoking causes lung cancer. We additionally show that, above and beyond endorsement of free markets, endorsement of a cluster of conspiracy theories (e.g., that the Federal Bureau of Investigation killed Martin Luther King, Jr.) predicted rejection of climate science as well as other scientific findings. Our results provide empirical support for previous suggestions that conspiratorial thinking contributes to the rejection of science. Acceptance of science, by contrast, was strongly associated with the perception of a consensus among scientists.

References

Abt, C. C. ( 1983 , September ). The anti-smoking industry. Retrieved from http://legacy.library.ucsf.edu/tid/vob81f00

Google Scholar

Allison, I., Bindoff, N. L., Bindschadler, R. A., Cox, P. M., de Noblet, N., England, M. H., . . . Weaver, A. J. ( 2009 ). The Copenhagen diagnosis, 2009: Updating the world on the latest climate science. Sydney, Australia : University of New South Wales Climate Change Research Center .

Google Scholar

Anderegg, W. R. L., Prall, J. W., Harold, J., Schneider, S. H. ( 2010 ). Expert credibility in climate change . Proceedings of the National Academy of Sciences, USA, 107, 12107 – 12109 .

Google Scholar Crossref | Medline | ISI

Bale, J. M. ( 2007 ). Political paranoia v. political realism: On distinguishing between bogus conspiracy theories and genuine conspiratorial politics . Patterns of Prejudice, 41, 45 – 60 .

Google Scholar Crossref | ISI

Bogart, L. M., Thorburn, S. ( 2005 ). Are HIV/AIDS conspiracy beliefs a barrier to HIV prevention among African Americans? Journal of Acquired Immune Deficiency Syndromes, 38, 213 – 218 .

Google Scholar Crossref | Medline | ISI

Boykoff, M. T. ( 2007 ). Flogging a dead norm? Newspaper coverage of anthropogenic climate change in the United States and United Kingdom from 2003 to 2006 . Area, 39, 470 – 481 .

Google Scholar Crossref | ISI

Brulle, R. J., Carmichael, J., Jenkins, J. C. ( 2012 ). Shifting public opinion on climate change: An empirical assessment of factors influencing concern over climate change in the U.S., 2002–2010 . Climatic Change, 114, 169 – 188 .

Google Scholar Crossref | ISI

Diener, E., Emmons, R. A., Larsen, R. J., Griffin, S. ( 1985 ). The Satisfaction With Life Scale . Journal of Personality Assessment, 49, 71 – 75 .

Google Scholar Crossref | Medline | ISI

Diethelm, P., McKee, M. ( 2009 ). Denialism: What is it and how should scientists respond? European Journal of Public Health, 19, 2 – 4 .

Google Scholar Crossref | Medline | ISI

Ding, D., Maibach, E., Zhao, X., Roser-Renouf, C., Leiserowitz, A. ( 2011 ). Support for climate policy and societal action are linked to perceptions about scientific agreement . Nature Climate Change, 1, 462 – 466 .

Google Scholar Crossref | ISI

Doran, P. T., Zimmerman, M. K. ( 2009 ). Examining the scientific consensus on climate change . Eos, 90(3), 21 – 22 .

Google Scholar Crossref

Douglas, K. M., Sutton, R. M. ( 2008 ). The hidden impact of conspiracy theories: Perceived and actual influence of theories surrounding the death of Princess Diana . The Journal of Social Psychology, 148, 210 – 221 .

Google Scholar Crossref | Medline | ISI

Douglas, K. M., Sutton, R. M. ( 2011 ). Does it take one to know one? Endorsement of conspiracy theories is influenced by personal willingness to conspire . British Journal of Social Psychology, 50, 544 – 552 .

Google Scholar Crossref | Medline | ISI

Dunlap, R. E., McCright, A. M. ( 2008 ). A widening gap: Republican and Democratic views on climate change . Environment: Science and Policy for Sustainable Development, 50(5), 26 – 35 .

Google Scholar Crossref | ISI

Dunlap, R. E., McCright, A. M. ( 2011 ). Organized climate change denial . In Dryzek, J. S., Norgaard, R. B., Schlosberg, D. (Eds.), The Oxford handbook of climate change and society (pp. 144 – 160 ). Oxford, England : Oxford University Press .

Google Scholar Crossref

Fan, X. ( 2003 ). Two approaches for correcting correlation attenuation caused by measurement error: Implications for research practice . Educational and Psychological Measurement, 63, 915 – 930 .

Google Scholar SAGE Journals | ISI

Feygina, I., Jost, J. T., Goldsmith, R. E. ( 2010 ). System justification, the denial of global warming, and the possibility of “system-sanctioned change.” Personality and Social Psychology Bulletin, 36, 326 – 338 .

Google Scholar SAGE Journals | ISI

Freudenburg, W. R., Muselli, V. ( 2010 ). Global warming estimates, media expectations, and the asymmetry of scientific challenge . Global Environmental Change, 20, 483 – 491 .

Google Scholar Crossref | ISI

Goertzel, T. ( 1994 ). Belief in conspiracy theories . Political Psychology, 15, 731 – 742 .

Google Scholar Crossref | ISI

Goertzel, T. ( 2010 ). Conspiracy theories in science . EMBO Reports, 11, 493 – 499 .

Google Scholar Crossref | Medline | ISI

Gosling, S. D., Vazire, S., Srivastava, S., John, O. P. ( 2004 ). Should we trust web-based studies? A comparative analysis of six preconceptions about internet questionnaires . American Psychologist, 59, 93 – 104 .

Google Scholar Crossref | Medline | ISI

Hamilton, L. C. ( 2011 ). Education, politics and opinions about climate change evidence for interaction effects . Climatic Change, 104, 231 – 242 .

Google Scholar Crossref | ISI

Hanson, F. ( 2009 ). Australia and the world: Public opinion and foreign policy (Tech. Rep.). Sydney, New South Wales, Australia : Lowy Institute .

Google Scholar

Heath, Y., Gifford, R. ( 2006 ). Free-market ideology and environmental degradation: The case of belief in global climate change . Environment & Behavior, 38, 48 – 71 .

Google Scholar SAGE Journals | ISI

Inhofe, J. ( 2012 ). The greatest hoax: How the global warming conspiracy threatens your future. Washington, DC : WND Books .

Google Scholar

Jacques, P. J. ( 2012 ). A general theory of climate denial . Global Environmental Politics, 12, 9 – 17 .

Google Scholar Crossref | ISI

Jacques, P. J., Dunlap, R. E., Freeman, M. ( 2008 ). The organisation of denial: Conservative think tanks and environmental scepticism . Environmental Politics, 17, 349 – 385 .

Google Scholar Crossref | ISI

Kahan, D. M. ( 2010 ). Fixing the communications failure . Nature, 463, 296 – 297 .

Google Scholar Crossref | Medline | ISI

Kahan, D. M., Jenkins-Smith, H., Braman, D. ( 2011 ). Cultural cognition of scientific consensus . Journal of Risk Research, 14, 147 – 174 .

Google Scholar Crossref | ISI

Kalichman, S. C. ( 2009 ). Denying AIDS: Conspiracy theories, pseudoscience, and human tragedy. New York, NY : Springer .

Google Scholar Crossref

Kalichman, S. C., Eaton, L., Cherry, C. ( 2010 ). “There is no proof that HIV causes AIDS”: AIDS denialism beliefs among people living with HIV/AIDS . Journal of Behavioral Medicine, 33, 432 – 440 .

Google Scholar Crossref | Medline | ISI

Lahsen, M. ( 1999 ). The detection and attribution of conspiracies: The controversy over Chapter 8 . In Marcus, G. (Ed.), Paranoia within reason: A casebook on conspiracy as explanation (pp. 111 – 136 ). Chicago, IL : University of Chicago Press .

Google Scholar

Lewandowsky, S., Ecker, U. K. H., Seifert, C., Schwarz, N., Cook, J. ( 2012 ). Misinformation and its correction: Continued influence and successful debiasing . Psychological Science in the Public Interest, 13, 106 – 131 .

Google Scholar SAGE Journals | ISI

Lewandowsky, S., Gignac, G. E., Vaughan, S. ( 2012 ). The pivotal role of perceived scientific consensus in acceptance of science . Nature Climate Change. Advance online publication. doi:10.1038/nclimate1720

Google Scholar Crossref | Medline | ISI

Lewandowsky, S., Stritzke, W. G. K., Oberauer, K., Morales, M. ( 2005 ). Memory for fact, fiction, and misinformation: The Iraq War 2003 . Psychological Science, 16, 190 – 195 .

Google Scholar SAGE Journals | ISI

Lewandowsky, S., Stritzke, W. G. K., Oberauer, K., Morales, M. ( 2009 ). Misinformation and the “War on Terror”: When memory turns fiction into fact . In Stritzke, W. G. K., Lewandowsky, S., Denemark, D., Clare, J., Morgan, F. (Eds.), Terrorism and torture: An interdisciplinary perspective (pp. 179 – 203 ). Cambridge, England : Cambridge University Press .

Google Scholar Crossref

McCright, A. M., Dunlap, R. E. ( 2003 ). Defeating Kyoto: The conservative movement’s impact on U.S. climate change policy . Social Problems, 50, 348 – 373 .

Google Scholar Crossref | ISI

McCright, A. M., Dunlap, R. E. ( 2010 ). Anti-reflexivity: The American conservative movement’s success in undermining climate science and policy . Theory, Culture & Society, 27, 100 – 133 .

Google Scholar SAGE Journals | ISI

McCright, A. M., Dunlap, R. E. ( 2011a ). Cool dudes: The denial of climate change among conservative white males in the United States . Global Environmental Change, 21, 1163 – 1172 .

Google Scholar Crossref | ISI

McCright, A. M., Dunlap, R. E. ( 2011b ). The politicization of climate change and polarization in the American public’s views of global warming, 2001–2010 . The Sociological Quarterly, 52, 155 – 194 .

Google Scholar Crossref | ISI

McKee, M., Diethelm, P. ( 2010 ). Christmas 2010: Reading between the lines how the growth of denialism undermines public health . British Medical Journal, 341, 1309 – 1311 .

Google Scholar Crossref

Michaels, D., Monforton, C. ( 2005 ). Manufacturing uncertainty: Contested science and the protection of the public’s health and environment . American Journal of Public Health, 95, S39 – S48 .

Google Scholar Crossref | Medline | ISI

Mooney, C. ( 2007 ). An inconvenient assessment . Bulletin of the Atomic Scientists, 63(6), 40 – 47 .

Google Scholar SAGE Journals

Nattrass, N. ( 2010 ). Still crazy after all these years: The challenge of AIDS denialism for science . AIDS and Behavior, 14, 248 – 251 .

Google Scholar Crossref | Medline | ISI

Nattrass, N. ( 2011 ). Defending the boundaries of science: AIDS denialism, peer review and the medical hypotheses saga . Sociology of Health & Illness, 33, 507 – 521 .

Google Scholar Crossref | Medline | ISI

Nyhan, B. ( 2010 ). Why the “death panel” myth wouldn’t die: Misinformation in the health care reform debate . The Forum, 8(1), Article 5. Retrieved from http://www.dartmouth.edu/~nyhan/health-care-misinformation.pdf

Google Scholar

Oreskes, N., Conway, E. M. ( 2010 ). Merchants of doubt. London, England : Bloomsbury Publishing .

Google Scholar

Scruggs, L., Benegal, S. ( 2012 ). Declining public concern about climate change: Can we blame the great recession? Global Environmental Change, 22, 505 – 515 .

Google Scholar Crossref | ISI

Somerville, R. C. J. ( 2011 ). How much should the public know about climate science? Climatic Change, 104, 509 – 514 .

Google Scholar Crossref | ISI

Stocking, S. H., Holstein, L. W. ( 2009 ). Manufacturing doubt: Journalists’ roles and the construction of ignorance in a scientific controversy . Public Understanding of Science, 18, 23 – 42 .

Google Scholar SAGE Journals | ISI

Sunstein, C. R., Vermeule, A. ( 2009 ). Conspiracy theories: Causes and cures . Journal of Political Philosophy, 17, 202 – 227 .

Google Scholar Crossref | ISI

Sussman, B. ( 2010 ). Climategate: A veteran meteorologist exposes the global warming scam. Washington, DC : WND Books .

Google Scholar

Swami, V., Chamorro-Premuzic, T., Furnham, A. ( 2009 ). Unanswered questions: A preliminary investigation of personality and individual difference predictors of 9/11 conspiracist beliefs . Applied Cognitive Psychology, 24, 749 – 761 .

Google Scholar Crossref | ISI