What have we learned from the outpouring of literature as a result of the Stern Review of the Economics of Climate Change? A lot. We have explored the model space and the parameter space much more thoroughly, though there are still unexplored regions. While there are aspects of the Stern...

I make three points relating to the transition from fossil fuels to non-carbon energy. One is that the economic cost of moving from fossil fuels to renewable energy in electricity generation is very low, and probably lower than many estimates of the economic benefits from this change. The second...