The issue is that the immigrants are also having less children, and the countries where they&#x27;re from are also drastically reducing their birth rates.<p>Honestly, as an environmentalist it&#x27;s not a bad thing at all, since the peak in resource consumtion will come about either because of a voluntary population reduction, or catastrophic mismanagement of growth.<p>However, we probably have never had a similar situation in human history, and I don&#x27;t know how our economies will adapt.