Sadly, the sort of "large scale political action" that really needs to happen to solve these sorts of issues will simply not happen, because it would involve go

Sadly, the sort of "large scale political action" that really needs to happen to solve these sorts of issues will simply not happen, because it would involve governments working together for the good of all humanity everywhere, and it would involve eliminating poverty altogether worldwide, and it would involve providing clean renewable energy to people whereever it's wanted, and so many other things that politicians nowhere on Earth appear to be capable of doing.