Loading ...A warmer earth produces more food for less effort. Populations explode. Societies develop. A couple of years’ of bad weather, or a cooling, famines and societies collapse.
In Oz we see it on a regular basis with the weather. A few good years, grass is plentiful, cattle numbers explode, one year’s drought and cattle numbers collapse, corpses everywhere. Doesn’t matter nationally because we produce far more than we eat – so far.