Recent Climate Observations Compared to Projections

  title={Recent Climate Observations Compared to Projections},
  author={Stefan Rahmstorf and Anny Cazenave and John Alexander Church and James E. Hansen and Ralph F. Keeling and David E. Parker and Richard C. J. Somerville},
  pages={709 - 709}
We present recent observed climate trends for carbon dioxide concentration, global mean air temperature, and global sea level, and we compare these trends to previous model projections as summarized in the 2001 assessment report of the Intergovernmental Panel on Climate Change (IPCC). The IPCC scenarios and projections start in the year 1990, which is also the base year of the Kyoto protocol, in which almost all industrialized nations accepted a binding commitment to reduce their greenhouse gas… 
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Scientific basis
  • S. Bray
  • Medicine
    British Dental Journal
  • 2005
Rev. Geophys
  • Rev. Geophys
  • 2004
Potsdam Institute for Climate Impact Research
  • Potsdam Institute for Climate Impact Research
  • 1448
Geophys. Res. Lett
  • Geophys. Res. Lett
  • 1029
Published online 2 February 2007; 10.1126/science.1136843 Include this information when citing this paper
  • Res. Lett., 33,
  • 2006
1126/science.1136843 Include this information when citing this paper
  • 2006
Hobart Tasmania, 7001, Australia. 4 NASA Goddard Institute for Space Studies (GISS)
  • Hobart Tasmania, 7001, Australia. 4 NASA Goddard Institute for Space Studies (GISS)
J. Geophys. Res
  • J. Geophys. Res
  • 1029