04/06/2010 05:12 am ET Updated May 25, 2011

It's 2050: Can We Feed Nine Billion People Sustainably?

Sometime around 2050, there are going to be nine billion people roaming this planet--two billion more than there are today. It's a safe bet that all those folks will want to eat. And that's... an incredibly daunting prospect.

Still, not everyone's convinced that feeding nine billion people--and doing it in a sustainable fashion--is a totally impossible task.

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