UNL Institute of Agriculture and Natural Resources. Lincoln, Neb. – The findings of a recent study on food deserts in Nebraska will be covered during a free webinar at 4 p.m. Central time, Oct. 29. It will address challenges rural grocery stores face and solutions for improving access to affordable and nutritious food. The webinar will be presented by The Nebraska Cooperative Development Center at the University of Nebraska-Lincoln and the Nebraska Grocery Industry Association.