Celebrating Earth Day at School of Medicine April 24, 2012 SHARE Jim Jackson (left), project manager in Facilities Management at the School of Medicine, explains energy used in light bulbs to a visitor to the energy conservation and alternative energy station at the School of Medicine’s Earth Day festivities April 19 in the BJC Institute of Health at Washington University School of Medicine Hope Plaza. In addition to energy, visitors learned about recycling, gardening and water conservation, and transportation and clean air. (Credit: Tim Parker)