Table 1.

US municipalities and populated land avoiding commitment under different carbon emissions scenarios compared with RCP 8.5

Emissions end yearWAIS assumptionAvoidable commitments by emissions scenario
RCP 2.6RCP 4.5RCP 6.0
Municipalities (count >50% committed)
2050Baseline170107124
2050Triggered411723
2100Baseline889633368
2100Triggered380325238
Populated land (2010 population, in millions of persons)
2050Baseline3.52.02.3
2050Triggered0.80.40.5
2100Baseline15.811.16.4
2100Triggered6.65.64.0
  • Values are based on differences between median estimates; see text for a description of WAIS assumptions.