I very much hope that the worst case is not a Venus like runaway effect. But there are many possible outcomes which for practical purpose for us humans are equa

I very much hope that the worst case is not a Venus like runaway effect. But there are many possible outcomes which for practical purpose for us humans are equally bad. There have been geohistoric events where the temperature rose by 10 degrees, causing most of the eco system to collapse. Eventually life recovered from this, with many larger species gone.