With the way things are unfolding across the globe, I suspect we will be heading to an ugly situation where even in countries like Australia, there will be in sufficient food to feed everyone--this will lead to violence as people struggle to survive.
The only way to avoid this will be to de-construct the existing system of economics and reformulate one which is not reliant on numeric growth (more/bigger). The video below gives some idea of what a non growth economy may look like...
