> Wouldn't darkening the skies raise albedo? Ideally we want more of the planet covered in snow, or, if that's not possible, deserts.

I probably should have said "reduce the amount of sunlight reaching us", i.e. make the place less bright from our perspective instead of "lowering our albedo", which is the opposite of the relevant outside view.

Talking about this: https://en.wikipedia.org/wiki/Solar_radiation_management