It appears that higher CO2 levels are responsible for increased peace in our time, if you use the IPCC method of skullduggery…
“Since the end of World War II, total wars have become less frequent; the number of countries participating in total wars has fallen, and they tend to last for shorter lengths of time.”
Real Science 
It appears that higher CO2 levels are responsible for increased peace in our time, if you use the IPCC method of skullduggery…
“Since the end of World War II, total wars have become less frequent; the number of countries participating in total wars has fallen, and they tend to last for shorter lengths of time.”
Make CO2, not war!