Representative Concentration Pathways (RCPs)

These are pathways of global Greenhouse Gas emissions and pathways.  They are ‘Representative’ because pathways span a plausible envelope of future global greenhouse gas emissions.
These names refer to likely radiative forcing at 2100 expressed in watts per square metre (W/m2).

4 RCPs (High to Low W/m2):

  • RCP8.5
  • RCP6.0
  • RCP4.5
  • RCP2.6











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