http://www.washingtonpost.com/world/un-warns-25-pct-of-world-farmland-degraded-but-production-must-rise-70-pct-to-meet-demand/2011/11/28/gIQAlI4e3N_story.html
"FAO’s director-general Jacques Diouf said increased competition over land for growing biofuels, coupled with climate change and poor farming practices, had left key food-producing systems at risk of being unable to meet human needs in 2050."
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