Erren River is among the most polluted rivers in Taiwan. The open burning and acid cleaning of waste metals on Erren River bank has caused severe air and water pollution, transforming it into a dirty black river.Since 1983, environmental authorities have begun managing scrap metals. The Dafa and Wanli special district for renewable resources were established. The import of waste metals was banned in 1993, and a mandatory removal of waste smelters was executed in 2003. This project primarily recorded the story and countermeasures of incident of waste metal polluting Erren River. Oral history was used for the production of the monograph and documentary. The preliminary results of recording the pollution remediation plan for Erren River is a tribute to the hard work of the group of people involved. After 30 years, these people and their stories should be recorded as a part of history. This project referenced government official documents, and interviewed important personnel to gain a better understanding of the story in order to produce the script of the documentary and the content of the book. The documentary is divided into three sections: the first, beauty and vitality （10 min）, the second, pollution remediation and demolition （20 min）, and the third, community involvement and re-birth （15 min）. The content of the documentary was obtained by using oral history to interview relating personnel who were involved in the pollution remediation of Erren River for 30 years. The documentary narrates as an environmental documentary, and a book using oral history regarding Erren River’s pollution control is in production.

Environmental Documentary, Erren River, Pollution control