Vertical farms – Why waste land when you can grow food in skyscrapers?

Vertical farms – Why waste land when you can grow food in skyscrapers? - I Look Forward To: "Soil-based agriculture is so pass. Nothing short of an agricultural revolution is underway, spurred on by visionary Dr. Dickson Despommier of Columbia University. His plan is to build 30-story greenhouses in cities around the world, which will allow us to produce more food, for less money, in a healthier way, while freeing up arable land for nature."