Fig. 1.

(A) Scenario mentions in the IPCC’s Working Group II (Impacts, Adaptation and Vulnerability) contributions to the Fifth (AR5) and Sixth (AR6) Assessment Reports (data from refs. 2 and 3). (B) Fossil-fuel-and-industry (FFI) CO₂ emissions in the seven marker scenarios from AR6, compared to the IEA’s Stated Polices and Announced Pledges scenarios, and to the ranges of all AR6 scenarios having similar projected FFI CO₂ emissions growth rates from 2005 to 2050 (data from refs. 2 and 4, calculated using the methods of ref. 4).