"How a new greenhouse project in Berlin aims to help produce more local food sustainably"

Construction is expected to start in the coming months on two large greenhouses in Berlin that could yield up to 15 million heads of lettuce and 8 million pounds of tomatoes annually.

The project by Boston-based American Ag Energy aims to supply local grocery stores with produce as early as next spring, using two 10-acre greenhouses that will operate year-round. READ MORE