With the abundance of food in America, few people give a second thought to eating summer produce in the middle of winter. The majority of salad greens and tomatoes sold in winter are imported to colder states from warmer climates. With the help of greenhouses, however, it is entirely possible to have locally grown lettuce in the midst of a snowy December! Paul Lightfoot, founder and CEO of the company Brightfarms, explains the pros and cons of greenhouse farms. The availability of wheat, however, may not be as celebrated by some people. Mark Kelley investigates the movement that's changing the way we eat.
The War on Wheat – CBC News: The Fifth Estate