From September 25 to 30,China Ecological Civilization Research and Promotion Association (CECRPA) visited Laos and Cambodia with 8 environmental protection NGOs,enterprises and institutions,including All-China Environment Federation,Sino-Japan Friendship Center for Environmental Protection,Chinese Academy of Environmental Planning and Policy Research Center for Environm ent and Economy,for presentations and exchanges on environmental policy and technology to lend impetus to the building of a green "Belt and Road".