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Commentary

Nature 452, 531-532 (3 April 2008) | doi:10.1038/452531a; Published online 2 April 2008

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Dangerous assumptions

Roger Pielke, Jr1, Tom Wigley2 & Christopher Green3

  1. Roger Pielke Jr is in the Center for Science and Technology Policy Research, University of Colorado, Boulder, Colorado 80309-0488, USA.
  2. Tom Wigley is in the National Center for Atmospheric Research, Boulder, Colorado 80305, USA.
  3. Christopher Green is in the Department of Economics, McGill University, Montreal H3A 2T7, Canada.

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How big is the energy challenge of climate change? The technological advances needed to stabilize carbon-dioxide emissions may be greater than we think, argue Roger Pielke Jr, Tom Wigley and Christopher Green.

The United Nations Climate Conference in Bali in 2007 set the world on a two-year path to negotiate a successor to the 1997 Kyoto Protocol. Yet not even the most rosy-eyed delegate could fail to recognize that stabilizing atmospheric carbon-dioxide concentrations is an enormous undertaking.

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