would reduce the greenhouse gasses and cool things off...
So claim one of the Jovian moons? Ok, then, let's race - betcha my bacteria and fungus get the job done quicker'n your nuke! (besides, the Jovian life might just object to your plan...)
Imric's Tips for Living
Paranoia Is a Survival Trait
Pessimists are never disappointed - but sometimes, if they are very lucky, they can be pleasantly surprised...