Recently I read that a local nuclear war between nuclear powers, could cause disturbance to the climate, as well as nuclear winter, and to reduce the global temparatury a few degrees Celsius.
Of course, I do not want nuclear war, like most normal thinking people.
But if by chance a sudden drop in global temperatures, it would not be good in the long run, after all, here's what it all organization that are fighting with "Global Warming"