Professor Mark Maslin (UCL Geography) highlights in The Conversation research that used modern climate models to map the effects of a nuclear war, and which found the resulting nuclear winter would plunge the planet into a “nuclear little ice age” lasting thousands of years.
Russia is in the drivers seat here. All they have to do is stop attacking a sovereign nation and not fire nuclear missiles. It’s pretty simple.
The fact that you don’t understand how utterly idiotic your statement is shows that no rational discussion with you will be possible.