March 13, 2007

Broad Irony

The first rule when criticizing popular science presentations for inaccuracies should be to double check any 'facts' you use. It is rather ironic then that William Broad's latest piece on Al Gore plays just as loose with them as he accuses Gore of doing.

We criticized William Broad previously for a piece that misrepresented the scientific understanding of the factors that drive climate change over millions of years, systematically understating the scientifically-established role of greenhouse gases, and over-stating the role of natural factors including those as speculative as cosmic rays. In this piece, Broad attempts to discredit Gore's "An Inconvenient Truth" by exaggerating the legitimate, but minor, criticisms of his treatment of the science by experts on climate science, and presenting specious or unsubstantiated criticisms by a small number of the usual, well-known contrarians who wouldn't agree even if Gore read aloud from the latest IPCC report.

This article is very disappointing, not just because it gets things so wrong, but because it misses an opportunity to address a much more substantive issue. It is inevitable that working scientists will find popular presentations of their work lacking in depth and nuance (after all, depth and nuance are what we do!). Whatever you may think about Al Gore's movie, it is indisputable that it has raised awareness of the issues and left a substantial part of the public hungry for more information. That hunger can only be fed by people who are closer to the science than Gore, and it is inevitable that the AIT will be used as a springboard or contrast for further presentations. A better article would have investigated how that is happening and how that is affecting public awareness of the science. Unfortunately, this article does nothing to improve public awareness, and that is deeply ironic.
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Michael Mann and Gavin Schmidt
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Edited by WestTexasBliss
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