From a resource perspective there is no surplus, due to opportunity costs in land conversion. Mid-term prospects for meeting global food demand boil down to inc

From a resource perspective there is no surplus, due to opportunity costs in land conversion. Mid-term prospects for meeting global food demand boil down to increasing production yields. (Sure, distant technology will probably change this a bit). http://www.futuredirections.org.au/publication/the-future-prospects-for-global-arable-land/ http://www.futuredirections.org.au/publication/the-future-pr...