Following Barack Obama’s call to abolish all nuclear weapons, there is an opinion piece in the Sydney Morning Herald stating :

Even a limited regional nuclear war involving 100 Hiroshima-sized bombs – just 0.03 per cent of the explosive power of the world’s nuclear arsenal, would kill tens of millions of people and cause severe climatic consequences for a decade or more.

Cooling and darkening – with shorter growing seasons, less rainfall and increased ultraviolet radiation.

Well there’s you answer. While you are getting rid of your nuclear weapons, set off a few in a remote desert some where and solve global warming problem at the same time, Sorted! Just don’t forget your sun screen though.

Update : Looks like Wired is on the same wavelength as me at the moment with this post : 7 (Crazy) Civilian Uses for Nuclear Bombs