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Mitigation, Adaptation or Climate Engineering?

  • Guy P. Brasseur and Claire Granier
Published/Copyright: January 1, 2013
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Concerns about climate change have led to the development of legal frameworks, including national regulations and international protocols to limit the emissions of greenhouse gases. Current mitigation measures, however, may not be sufficient to limit global warming to an average of 2°C since the pre-industrial period. Other approaches may therefore be required, including adaptation measures and climate engineering initiatives. Only a few legal frameworks are available to regulate adaptation initiatives and to constrain climate engineering approaches whose potential side-effects are not always sufficiently well known. This Article provides a brief overview of scientific progress made to better assess climate change and addresses possible societal responses, including the mitigation, adaptation and climate engineering strategies. It provides a brief summary of current knowledge about expected climate change as a basis for the definition of future international climate policies and associated legal frameworks.


Guy P. Brasseur is of the Climate Service Center, Helmholtz Zentrum Geesthacht, Hamburg, Germany. Claire Granier is of the UPMC University Paris 06, UMR8190, CNRS/INSU, LATMOS-IPSL, Paris, France; and CIRES, University of Colorado and NOAA Earth System Research Laboratory, Boulder, CO, USA. The authors are grateful for the support of the ACCENT-Plus European Union’s Seventh Framework Programme (FP7/2007-2013) under Grant Agreement no. 265119, and of the FP7 PEGASOS project, under Grant Agreement 265148. The authors would also like to acknowledge Paul Bowyer for his useful comments on the Article.

Published Online: 2013-01-01
Published in Print: 2013-01

© 2013 by Walter de Gruyter GmbH & Co.

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