Agree. Ameliorating urban heat islands looks like another place to focus effort. [0], [1] Even better, you can attack it at the level of individual cities. I

Agree. Ameliorating urban heat islands looks like another place to focus effort. [0], [1] Even better, you can attack it at the level of individual cities. I would add that the uncertainty in the underlying science means that there are as yet undiscovered opportunities to make other improvements. [0] https://en.wikipedia.org/wiki/Urban_heat_island https://en.wikipedia.org/wiki/Urban_heat_island [1] https://cshub.mit.edu/sites/default/files/images/Albedo%201113_0.pdf https://cshub.mit.edu/sites/default/files/images/Albedo%2011...