From GreenBiz: Local food is a very welcome development. But can we take it too far?

Yes, I’m afraid we can — especially when we start to grow food indoors with energy-intensive, artificial life-support systems.

We’re now seeing what you could call “hyper-local” food, where crops are grown inside a building, whether a warehouse, an office building, a grocery store or even a restaurant. In the last few years, a number of tech companies have designed indoor, industrial “farms” that use artificial lights, heaters, water pumps and computer controls to grow stuff inside. These systems glow with a fantastic magenta light — from LEDs specially tuned to provide optimal light for photosynthesis — with stacked trays of plants, one on top of the other. Read more