"When we block migrations, we lose the ability to sustain a population".
It has four enclosures surrounded by a moat, a vast artificial lake, or baray, and could sustain a population of at least 100,000.
Once the government demanded that the businesses generate a profit rather than merely sustain a population, many could not compete with manufacturers abroad.
I see a very high probability that humanity will sustain a population of at least 9 to 10 billion for one century or longer.
But a sustainable future will require certain industries – not just tobacco and fossil fuels, air travel and automobiles, even baby formula – to become much much smaller to sustain a population of nine billion human beings.
The laying of mines is the 21st-century equivalent of what the Romans did to Carthage: plow salt into the ground so that it could never again sustain a population.
Even if Nigeria could sustain a population density equivalent to that of the Netherlands, that would still mean a surplus of 500 million to be accommodated somewhere.There are relatively empty areas in Africa with potential such as Angola, Congo and the Central African Republic.
Green estimates that with a 75,000 square-foot greenhouse, Edenworks would be able to provide enough food to sustain a population of 5,000 people.
Malthus [2] raised a controversial issue 200 years ago: how food production that grows arithmetically can sustain a population that grows in geometric progression?
