Dangerous assumptions

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.

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Author information


  1. Roger Pielke Jr is in the Center for Science and Technology Policy Research, University of Colorado, Boulder, Colorado 80309-0488, USA.

    • Roger Pielke Jr
  2. Tom Wigley is in the National Center for Atmospheric Research, Boulder, Colorado 80305, USA.

    • Tom Wigley
  3. Christopher Green is in the Department of Economics, McGill University, Montreal H3A 2T7, Canada.

    • Christopher Green


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