This week: what do cabbages, eyes, cows and electric vehicles have in common? Stories of innovation and emerging industries on The Future, This Week.
There are plenty of barriers, but if we really want to we can feed the world on plant protein (largely from legumes).
This week: a food Christmas special with coffee, chickens and a fake food future.
The thin layer of soil on our planet's surface ultimately sustains us all, but it's a finite resource. With a growing global population, perhaps it is time to start looking for alternatives.