Every few months I do similar calculations (world land mass divided by current population, world carrying capacity, land coverage at given density with/without

Every few months I do similar calculations (world land mass divided by current population, world carrying capacity, land coverage at given density with/without farmland, cost to "recover" the Mediterranean for farmland, etc.). Tickled to see someone else work such numbers out with nice maps. Source site is persquaremile.com, worth a closer look.