It’s a vision of the future that has captured the imagination of farmers, food companies and agricultural scientists for the past decade.
As arable land becomes scarcer, the climate-change risk of destroying forests to make more cropping country becomes ever-more apparent, and food insecurity intensifies as a global threat to world peace, many minds have started to turn to greater urban food production as a potential solution.
But a few trendy beehives and raised vegetable beds on the roofs of city apartments is unlikely to ever solve world hunger.
However, vertical agriculture – the…