Summary for Policymakers

Find a link to the full pdf here.

Summary for Policymakers by section

• • A. Introduction
  • B. Observed changes in the Climate System
    • B1. Atmosphere (observations)
    • B2. Ocean (observations)
    • B3. Cryosphere (observations)
    • B4. Sea level (observations)
    • B5. Carbon and other biogeochemical cycles
  • C. Driver of climate change
  • D. Understanding the climate system and its recent changes
    • D1. Evaluation of climate models
    • D2. Quantification of climate system response
    • D3. Detection and attribution of climate change
  • E. Future global and regional change
    • E1. Atmosphere: Temperature
    • E2. Atmosphere: Water cycle
    • E3. Atmosphere: Air quality
    • E4. Ocean
    • E5. Cryosphere
    • E6. Sea level
    • E7. Carbon and other biogeochemical cycles
    • E8. Climate stabilisation, climate change commitment and irreversibility
  • Representative Concentration Pathways (future scenarios)

• Tables
  • SPM1: Changes to climate phenomena
  • SPM2: Projected changes to temperature and sea level
  • SPM3:  Carbon emission scenarios
• Figures
  • SPM1:
    • Observed globally averaged combined land and ocean surface temp anomaly 1850-2012 (annual average / decadal average)
    • Observed change in average surface temperature 1901-2012
  • SPM2: Observed change in precipitation over land
  • SPM3:
    • Northern Hemisphere spring snow cover
    • Arctic summer sea ice extent
    • Change in average global upper ocean heat content
    • Global average sea level change
  • SPM4:
    • Atmospheric CO2
    • Surface ocean CO2 and pH
  • SPM5: Radiative forcings by emissions and drivers
  • SPM6: Regional comparison between models and observations
  • SPM7:
    • Modelled future global average surface temperature change
    • Modelled future Northern Hemisphere sea ice extent
    • Modelled future global ocean surface pH
  • SPM8:
    • Modelled future change in average surface temperature (1986-2005 to 2081-2100)
    • Modelled future change in avergae precipitation (1986-2005 to 2081-2100)
    • Modelled future change in Northern Hemisphere September sea ice extent (2081-2100)
    • Modelled future change in ocean surface pH (1986-2005 to 2081-2100)
  • SPM9: Modelled future global mean sea level rise
  • SPM10: Cummulative total anthropogenic CO2 emissions from 1870