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    Global Climate Change - Temperature

    climate change

    Global Climate Change
    <<Greenhouse gases

    Temperature

    		Precipitation>>

    Global surface temperature was 1.09℃ higher in 2011–2020 than 1850–1900, and has increased faster since 1970 than in any other 50-year period over at least the last 2000 years. Each of the last four decades has been successively warmer than any decade that preceded it since 1850.

    Change in global surface temperature (decadal average) relative to 1850-1900

    Change in global surface temperature (decadal average) relative to 1850-1900 (Image credit 1: IPCC AR6)


    Temperature trend (℃ per decade) over 1900-1980 (upper) and 1981-2020 (lower)

    Temperature trend (℃ per decade) over 1900-1980 (upper) and 1981-2020 (lower) (Image credit 2: IPCC AR6)

     

     

    Image credit:

    1. Figure SPM.1 from IPCC, 2021: Summary for Policymakers. In: Climate Change 2021: The Physical Science Basis. Contribution of Working Group I to the Sixth Assessment Report of the Intergovernmental Panel on Climate Change [Masson- Delmotte, V., P. Zhai, A. Pirani, S. L. Connors, C. Péan, S. Berger, N. Caud, Y. Chen, L. Goldfarb, M. I. Gomis, M. Huang, K. Leitzell, E. Lonnoy, J. B. R. Matthews, T. K. Maycock, T. Waterfield, O. Yelekçi, R. Yu and B. Zhou (eds.)]. Cambridge University Press. In Press.
    2. Figure 2.11 (b) from Gulev, S. K., P. W. Thorne, J. Ahn, F. J. Dentener, C. M. Domingues, S. Gerland, D. Gong, D. S. Kaufman, H. C. Nnamchi, J. Quaas, J. A. Rivera, S. Sathyendranath, S. L. Smith, B. Trewin, K. von Shuckmann, R. S. Vose, 2021, Changing State of the Climate System. In: Climate Change 2021: The Physical Science Basis. Contribution of Working Group I to the Sixth Assessment Report of the Intergovernmental Panel on Climate Change [Masson- Delmotte, V., P. Zhai, A. Pirani, S. L. Connors, C. Péan, S. Berger, N. Caud, Y. Chen, L. Goldfarb, M. I. Gomis, M. Huang, K. Leitzell, E. Lonnoy, J. B. R. Matthews, T. K. Maycock, T. Waterfield, O. Yelekçi, R. Yu and B. Zhou (eds.)]. Cambridge University Press. In Press.

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