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What else is there? Geoengineering sounds interesting but nobody knows what the ultimate effects would be in a complex system like the Earth. And if geoengineering is done on a global level there will probably be winners and losers. How do you negotiate that?

The strong do what they have to do and the weak accept what they have to accept.

> But changing CO2 levels is not the only way to avert that damage.

It is currently. Everything else is basically gambling on technology that doesn't yet exist.

We removed sulphur from ship fuels and managed to increase the temperature by 0.1C almost immediately. We may not intentionally be using non-CO2 methods to influence the climate but we are certainly capable of it by accident.

So you propose we roll the dice and hope for more accidents to happen?

I propose we use our powers of reasoning and knowledge of chemistry as a species to try to do better than just rolling the dice and hoping for the best. Economic suicide and blind luck are not the only options. But for some economic suicide appears to be the goal.

What are the viable alternatives that you have in mind?