Greens growth.....Business standalone; Shop manager Thayane Carlos with micro-greens for sale, all grown on the roof at the Cork Rooftop Farm shop on (the Coal Quay) Cornmarket Street, Cork. Micro-greens, salads and herbs are grown on the roof of the city centre premises and a new 'Zero Waste' wholefoods section has recently been added to the store. Pic: Larry Cummins