The environment ministry said Wednesday it will conduct an ecological survey of the nation's four major rivers by 2016 to address various problems revealed last year with the previous administration's controversial project to revitalize them.
A signature project of the former President Lee Myung-bak government, the 22 trillion won (US$22 billion) project to refurbish the Han, Nakdong, Geum and Yeongsan rivers ended in 2013 with no apparent upsides on flood prevention, water quality and ecosystems of the rivers.