It feels inevitable we're going to end up spraying sulfate into the air to keep cool, because that's by far the cheapest solution to global warming. It also do

It feels inevitable we're going to end up spraying sulfate into the air to keep cool, because that's by far the cheapest solution to global warming. It also doesn't fix any of the fundamental problems. Maybe a sign of (rather unintelligent) industrialized life on other planets would be sulfate aerosol spectra in the atmosphere too consistent to be explained by vulcanism...