The study of SROI of the Cheng-Long Wetlands International Environmental Art Project and Setouchi Triennale Art Festival

The world is currently facing serious social and environmental problems, causing an upward trend in social design. The Cheng-Long Wetlands International Environmental Art Project, in Taiwan's Yunlin County, attempts to promote awareness of the environment in the local community. The Setouchi Triennale in Japan encourages tourism on the islands of the Seto Sea, regeneration of the local environment as well as the local economy. This study assesses the social return on investment (SROI) and analyzes the current and future trends of these festivals.