Commentary


Nature Geoscience 1, 722 - 724 (2008)
Published online: 26 October 2008 | doi:10.1038/ngeo348

Ranking geo-engineering schemes

Philip W. Boyd1

  1. Philip W. Boyd is at the NIWA Centre for Chemical and Physical Oceanography, Department of Chemistry, University of Otago, PO Box 56, Dunedin, New Zealand.
    e-mail: pboyd@alkali.otago.ac.nz


Geo-engineering proposals for mitigating climate change continue to proliferate without being tested. It is time to select and assess the most promising ideas according to efficacy, cost, all aspects of risk and, importantly, their rate of mitigation.

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