The Earth radiates an enormous amount of heat away into space(in fact the same amount that it receives from the sun), so all we really have to figure out (for a

The Earth radiates an enormous amount of heat away into space(in fact the same amount that it receives from the sun), so all we really have to figure out (for a quick fix) is how to tip the balance negative enough to offset the additional warming from greenhouse gases. Long term we need to stop the greenhouse effect, but things are getting dire way faster than even the most delusional optimist could forecast reversing emissions.