At first glance, Giuseppe Oglio's farm near Milan looks like it's suffering from neglect. Weeds run rampant amid the rice fields and clover grows unchecked around his millet crop.

Oglio, a third generation farmer eschews modern farming techniques -- chemicals, fertilizers, heavy machinery -- in favor of a purely natural approach. It is not just ecological, he says, but profitable, and he believes his system can be replicated in starving regions of the globe.