Our school student dormitory management committee and college students' environmental protection association jointly hosted the "everyone has a environmental protection home" as the theme of‘one hour for earth’ activity. This activity include voluntary participation in ‘one hour for earth’ which shut the lights off at 8:30pm; more than one hundred students of representatives from each department watched "the earth hour 2012 global promotion video" in the library lecture hall; oath swearing activity for‘one hour for earth’ and other parts.