By 2100 the US could save 7.4m lives globally if by 2050 it achieves:

Less emissions than we remove from the atmosphere

or

Cutting out fossil fuels in favor of renewables like solar and wind

emitted metric tons of CO2-e in 2021. If this reaches net-zero by 2050, could be saved.

share of electricity generated from renewables in 2020 was . If this reaches 100% by 2050, could be saved.

Guardian graphic. Sources: Lives saved estimates from the Climate Impact Lab, developed from Rhodium Group's state emissions projections for 2050. Preliminary 2021 net CO2-equivalent emissions, which account for carbon dioxide and other gases, from Rhodium Group. Share of net electricity generated from renewable sources from Rhodium Group, Alaska and Hawaii values from Nuclear Energy Institute.