2030 best food from skyscrapers

Exciting times for agricultural friends. "By 2030, the best food will be grown in skyscrapers. Soil-based agriculture is so passé. [...] 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." http://bit.ly/geL51v