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. 1998 Apr 14;95(8):4113–4120. doi: 10.1073/pnas.95.8.4113

Table 3.

Greenhouse gas scenarios, annual growth rates

Scenario CH4 N2O CFCs ΔCO2
A 0.5% 0.25% 0 3% developing 1% developed
B 0.25% 0.25% 0 2% developing 0% developed
C 0% 0.25% at 2025  to 0% at 2100 0 1.6 ppm/yr to 2025  to 0 ppm/yr at 2100