http://en.wikipedia.org/wiki/Peak_phosphorus http://en.wikipedia.org/wiki/Peak_phosphorus relatively speaking, does it matter if we run out in 100 years or 300

http://en.wikipedia.org/wiki/Peak_phosphorus http://en.wikipedia.org/wiki/Peak_phosphorus relatively speaking, does it matter if we run out in 100 years or 300 years? the point is... we are on an unsustainable path in food production.