The atmosphere cools to space by radiation. Well, without getting into all the details, the surface cools to space as well by radiation but not much radiation is emitted by the surface that escapes directly to space (note 1). Most surface radiation is absorbed by the atmosphere. And of course the surface mostly cools by convection … Continue reading The Atmosphere Cools to Space by CO2 and Water Vapor, so More GHGs, More Cooling!