…[D]ecision by a Chinese court to accept a case in which a fish farmer has taken on two polluting steel companies and the local environmental authorities who allegedly allowed them to operate has become a watershed moment in the country’s environmental litigation. Feng, 50, has been fighting a nine-year legal battle against two steel companies...that allegedly dumped thousands of tons of toxic waste into the Baoqiu River, which runs through his village of Xiadian in…Hebei province. Feng’s…eldest daughter, then 16, was diagnosed with leukemia in 2006."