More than 1,000 opponents of plans to build a dam on China’s biggest freshwater lake have signed a petition calling for the project to be abandoned, saying it will take a huge toll on endangered migratory birds and the rare Yangtze finless porpoise.In an open letter to authorities in Jiangxi province last week, Let Birds Fly, a Hangzhou-based environmental group, said it would be “extremely irresponsible” of the government to approve the project for Poyang Lake.“It goes against China’s efforts…

This post was originally published on South China Morning Post.