About half of everything grown in Kenya is exported, but almost a third of that is thrown out, not because it is rotten, but for aesthetic reasons.
The UN believes this to be outrageous, and to make the point, it organised a banquet using only produce that would otherwise be tossed away or fed to animals.
The UN Environment Programme believes there needs to be a revolution in the way food is handled from the farm to the fork. This is the beginning.
Al Jazeera's Peter Greste reports from Nairobi.