Aviation and the Global Atmosphere

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Technical Summary: Figure TS-8

Figure TS-8: Global CO2 emissions (GtC/yr, standardized) from all sources for the four scenario families from 1990 to 2100. Scenarios are also presented for the three constituent groups of the A1 family (fossil-intensive A1FI group, resulting by merging A1C and A1G as in the SPM, the high non-fossil fuel A1T, and the balanced A1B) and for the other three families (A2, B1, and B2), forming six scenario groups altogether. Each colored emission band shows the range of the scenarios within one group that share common global input assumptions for population and GDP. The scenarios remaining outside the six groups adopted alternative interpretations of the four scenario storylines.

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