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Mike Hulme, UEA - #steps13

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  • Why is Steve Rayner correct?
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    • 1. Does (climate) science need to be consensual to be authoritative? Mike Hulme Professor of Climate Change STEPS Centre Conference, 6 February 2013 ‘Credibility across cultures: expertise, uncertainty and the global politics of scientific advice’
    • 2. Making consensus “… the peer review has helped ensure a high degree of consensus amongst authors and reviewers regarding the results presented.” [IPCC, 1990: v]Sir John Houghton July 1990 2
    • 3. Selling consensusIPCC media release, November 2007 3
    • 4. Defending consensus “This is the conclusion of 4,000 scientists appointed by governments from virtually every country in the world … Attempts by politicians in this country and others to present what is an over-whelming global scientific consensus as little more than an unfolding debate … are nothing short ofintellectually dishonest. They are a political attempt to subvert what is now a longstanding scientific consensus …” Kevin Rudd, 6 November 2009 4
    • 5. Exploiting consensus The Guardian, 27 January 2007
    • 6. Acknowledging dissensus … “Although … there is a minority of opinions which we have not been able to accommodate, the peer review has helped ensure a high degree of consensus amongst authors and reviewers regarding the results presented.” [IPCC, 1990: v]Sir John Houghton July 1990 6
    • 7. Claiming authority … “Although … there is a minority of opinions which we have not been able to accommodate, the peer review has helped ensure a high degree of consensus amongst authors and reviewers regarding the results presented. Thus the Assessment is an authoritative statement of the views of the international scientific communitySir John Houghton at this time.” July 1990 [IPCC, 1990: v] 7
    • 8. Challenging consensus “Climate skepticism is free speech. Alternative points-of-view deserve to be heard” (Donna Laframboise’s blog) 8

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