We Can't Cut Down Trees in the National Forest

After World War I we're like oh national governments on their own can't actually govern in a way that keeps them from wanting to blow the whole world up and our technology is now so terrible that we can't have wars like this anymore. We try and create laws to bind multipolar traps you can't cut down trees in the protected area right in the national forest or whatever it is. If anyone makes a law that protects something against environmental destruction there's an economic interest to do  environmental destruction. The UN has a monopoly of force meaning the police force that is backed up by the national guard of the military force whatever that is backing up law because law wouldn't be that thing without