The Siemens Foundation, Discovery Education and the National Science Teachers Association (NSTA) announced the kick-off of the third annual Siemens We Can Change the World Challenge, the national sustainability challenge that encourages all students, from kindergarten through twelfth grade, to team up with their classmates to create replicable solutions to environmental issues in their schools (grades K-5), community (grades 6-8) and world (grades 9-12).

Teachers, students and mentors can log on to www.wecanchange.com to register.  Student and teacher/mentor prizes include savings bonds, school grants, exciting trips and much more.

The deadline for all entries is March 15, 2011.