Arrhenius 1896 first quantitative estimate: doubling CO2 raises mean T by ~5-6 C; modern best-estimate ECS 2.3-4.5 C (IPCC AR6); confirms 19th-c framework with 21st-c precision.
Arrhenius 1896 first quantitative estimate: doubling CO2 raises mean T by ~5-6 C; modern best-estimate ECS 2.3-4.5 C (IPCC AR6); confirms 19th-c framework with 21st-c precision.