Many should be separate for more sustainability that's needed
There is a tipping point we would be very close to. Cities are not sustainable and they will not just start being sustainable enough. Taking more than what this world continually provides can't go on. But staying with civilization is just trying to do that. Many should really depart from it and be growing all the things for themselves with those along with them.
populationmatters.org/the-fact…
populationmatters.org/the-fact…
Resources - Population Matters
The 8 billion people on our planet are demanding more from it than it can provide. Find out more, and what can be done.Population Matters