Australians throw away up to 4 million tonnes a year in perfectly edible food. Founder of DoSomething! and Planet Ark Jon Dee says we need a global solution to ensure food is not rotting in bins while people go hungry.
One billion citizens of the world are currently suffering chronic hunger, and the fires of Russia, floods of Pakistan and political wars aren't helping. Yet there is no long-term strategy to deal with world hunger.
Sarah Silverman has got world hunger all figured out. Just sell the Vatican and use the $500 billion to feed all the poor children. That way, you won't have to see them on your HD flat screen television looking sad.
By 2050, the world will have nine billion people to feed, and increasingly less land to do it with. Popular Science looks at eight potential farming innovations -- from genetically engineered rice to robot farmers -- to help stop world hunger and feed a growing world's appetite.