1. Protect the environment, starting with me. 2, a century-old campus, quiet and clean. 3, the clear way, why not tolerate pollution. 4. Leave only your footprints, please take away your "clouds". 5. Caring for the environment around you is equal to caring for your own life! 6, the grass also has life, cherish every life around you! 7, water is a limited resource, every bit is love! 8. Limited resources and infinite cycles. 9. Do your best to protect the land. 1. Take care of every grass and tree and build a beautiful campus.