The Siemens We Can Change the World Challenge at the elementary school level is designed to help students work together to solve an environmental problem in their classroom or school community. The Siemens We Can Change the World Challenge middle school level encourages student teams, working with a teacher/mentor, to identify environmental issues of concern and create sustainable, reproducible improvements in their local communities. The Siemens We Can Change the World Challenge for high school encourages student teams to identify an environmental issue that has local, national and global implications and to provide a viable, replicable solution.