You&#x27;re assuming people have perfect foresight into their risks moving to such an area - they don&#x27;t. Your also ignoring that sometimes the pollution moves to where people already live. The reasonable choice is to work towards advancing standards for everyone worldwide. Sometimes the advances will come organically delivered by free markets, and sometimes they&#x27;ll have to be regulatory (closing down externalities ignored&#x2F;un-priced by markets). The choice certainly isn&#x27;t free trade or dire poverty in the long run.