The Missouri Department of Conservation is honoring conservation pioneer Aldo Leopold, author of the landmark Sand County Almanac. The department will host a free event Saturday at the Anita Gorman Discovery Center in Kansas City, screening the movie Green Fire, Aldo Leopold and a Land Ethic For Our Time. The center will also host activities and hands-on workshops aimed at applying conservation in our daily lives. It starts at 10 Saturday morning at the Gorman Discovery Center, 4750 Troost Avenue.