FOOD, FUEL AND FARMING: The Sky’s the Limit

Sometimes, the answer to a complex problem is so simple, so elegant that you wonder why you didn’t think of it yourself. That was my reaction yesterday as I sat at the World Science Festival Summit and listened to Columbia University professor Dickson Despommier describe an ingenious idea that could ultimately ease the world’s food, water, and energy crises. "The Living Tower" by SOA Architects He calls it vertical farming , and he wasn’t talking about growing pole beans. This is agriculture on the 34th floor of a big city skyscraper. Despommier has been working on vertical farming for more than 10 years, inspired by population experts that foresee over 9 billion people on the planet by 2050. The environment also benefits since there’s no need for pesticides and other harmful chemicals, you give the land back to trees, shrubs and other natural species, and you use less water for irrigation since you can recirculate. And of course there’s the “buy local” idea. You won’t have...