The Severson Dells Nature Center is looking for individuals willing to volunteer their time helping school children learn about the natural world. It is not necessary that volunteers be nature experts. The main qualifications are enthusiasm and enjoying working with children. A volunteer training session will be held at the Severson Dells Nature Center from 9 to 11:30 a.m., Tuesday, Aug. 31. Please call 335-2915 to become a volunteer.