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Table 1 Scenarios used in the AR5 IPCC projection (adapted from Moss et al. 2010)

From: Enhanced mesoscale climate projections in TAR and AR5 IPCC scenarios: a case study in a Mediterranean climate (Araucanía Region, south central Chile)

Scenario Description Severity
RCP85 Rising radiative forcing pathway leading to 8.5 W m−2 (~1370 ppm CO2 eq) by 2100 Extreme
RCP60 Stabilization without overshoot pathway to 6 W m−2 (~850 ppm CO2 eq) at stabilization after 2100 High (comparable to A2)
RCP45 Stabilization without overshoot pathway to 4.5 W m−2 (~650 ppm CO2 eq) at stabilization after 2100 Medium (comparable to B2)
RCP26 Peak in radiative forcing at ~3 W m−2 (~490 ppm CO2 eq) before 2100 and then decline (the selected pathway declines to 2.6 W m−2 by 2100) Low