It’s 3 C

The global sensitivity to CO2 doubling appears to be pretty close to 3 C. Stop the presses.

The global equilibrium temperature sensitivity to CO2 forcing is really starting to look like we have it down. Can we move the conversation on to more appropriate questions?

No, I suppose not…


  1. Welcome back to the blogosphere.As for the question, so long as influential scientists are pushing the “Values substantially higher than 4.5°C cannot be excluded…” meme, ISTM there is still work to be done 🙂

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