Fri, Apr 16, 2010 -- 9:00 AM

Engineering a Cooler Planet

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Scientists are debating whether, facing a global warming catastrophe, we should take radical measures to cool the planet, such as blasting huge amounts of sulfur into the atmosphere to deflect light away from Earth. We take up the moral, political and scientific challenges of geoengineering.

Host: Dave Iverson


  • Ken Caldeira, climate scientist at the Carnegie Institution's Department of Global Ecology at Stanford University
  • Martin Bunzl, professor of philosophy at Rutgers University and director of the Rutgers Initiative on Climate and Social Policy

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