absolutely. the guaranteed minimum, the standard of decency -- but it isn't decent if it isn't generalised. "common environmental regs" within the EU or N Am don't do diddly if "the rest of the world" is made a sacrifice zone for industrial vandalism... and this point is not "merely" moral, but pragmatic: it's a small planet, and the destruction being wrought in "lesser nations" will, and does, impact health and happiness worldwide. the world is one, the climate is one, the oceans are one. the wind doesn't stop blowing at an arbitrary human property line.
the gated-community model is guaranteed to exacerbate, outside its boundary, whatever miseries or abuses its inhabitants seek to escape. or so I believe, having watched the model in action. The difference between theory and practise in practise ...