High-tech, year-round sustainable farming comes to Cochrane, Alta.

A high-tech farm near Cochrane, west of Calgary, is producing thousands of heads of lettuce, and other vegetables every week, even in the darkest and coldest days of winter. Good Life Farms Inc. operates a vertical-wall hydroponic garden inside two sea-can containers. "We are growing everything from arugula to graziano leaf lettuce, KC butterhead lettuce (and) we are actually experimenting with some root vegetables as well," said Good Life Farms founder Chad Randal. "We've grown turnips, radishe