(AP) — In this photo provided by FarmedHere, a worker checks crops at the indoor vertical farm in Bedford Park, Ill. on Feb. 20, 2013.
The farm, in an old warehouse, has crops that include basil, arugula and microgreens, sold at grocery stores in Chicago and its suburbs. Officials at FarmedHere plan to expand growing space to a massive 150,000 square feet by the end of next year. It is currently has about 20 percent of that growing space now. (AP Photo/Heather Aitken)