pta Green Volunteer is a 12-week “learning +internship ”green spirit eco-camp designed for college students. Trainees gain four-dimensional experience of learning and growing in the fields of environmental sustainability through in-depth working on the pta projects, daily self-disciplined eco-life practicing , mobile-app-based sharing, and thesis writing and publication. Members hail from Imperial College, University of Chinese Academy of Sciences, Chinese University of Hong Kong, Nanjing University, etc.