Minnesota students, ages 6 though 18, express their appreciation and concerns about the environment in this one-of-kind exhibition of original art. Swaying prairie grasses, exuberant jungles, colorful fish and forests of every variety reveal how kids across the state interpret the natural world through painting, drawing, printmaking, sculpture and other media. Through April 23. Regular admission applies. Bell Museum of Natural History, University Ave. & 17th Ave. SE, Minneapolis; 612/624-7083; www.bellmuseum.org