This is a re-post from The Climate Brink I have a new guest essay in the New York Times with David Keith that builds off my earlier Climate Brink post The Geoengineering Question. Below I’ve included some more detailed thoughts that couldn’t make it into the published piece given the word limit constraints. We are already geoengineering the planet today, but badly. Humans are cooling the climate today by emitting 75 million metric tons of sulfur dioxide into the lower atmosphere, almo...
