Environmental protection volunteers from six universities swore at the campus of Yunnan Normal University to participate activity of Public Action to Save Energy 20%. They divided into for teams to test temperature at both outside and inside of public buildings and rooms. The activity organized by YEN was positively supported by owners of the venues. And some of them even signed their names on the activity banners to show their support.  Volunteers take part in the Public Action to Save Energy 20%  A public building in Kunming  Testing temperature |