[immmmmm]

ICBM detection by radar and satellite is old technology, and an essential part of the MAD doctrine. You’re proposal would only make sense if all actors have access to their own.

Also net incoming energy flux due to anthropogenic climate change, this year, is 2W/m*2.

I let you do the maths (multiplie by earth surface) but think it’s close to 20’000 megaton eq TNT per day.