Would you eat steak grown in a lab?
With the supply of fossil fuels used for fertilisers dwindling, the question is once again being posed: how do we make sure we have have enough food to feed the world's growing population?
Ecologist Mike Joy looks at some current - and quite radical - suggestions of ways to produce food sustainably.
Ecologist Mike Joy in RNZ Wellington. Photo: RNZ/Shaun D Wilson
