Article says that gurus think you need 4000 sq ft per person but then article changes tunes and, without citation, it says you need only 200 sq ft per person.
Let’s calculate ourselves. Currently 50M km^2 of land is used for agriculture. Divide that by world population and we get 76000 sq ft per person.
Let’s calculate ourselves. Currently 50M km^2 of land is used for agriculture. Divide that by world population and we get 76000 sq ft per person.