Since 1994, he has participated in a series of international environmental education cooperation projects as project director or national coordinator, mainly including: UNDP China Environmental Awareness Project, Mobil China Environmental Education Fund, GLOBE Project, China-Canada Climate Change Project, World Bank Ozone Layer Protection Film and Television Project, Asian Development Bank Environmental Protection Key City Leadership Training, Sino-US Environmental Law Training Project, Bell Project, Sino-British Public Participation Project, etc.