Tons of dead fish cover major Sao Paulo river after alleged dumping of industrial waste - Egyptian Gazette SAO Paulo – Several tonnes of fish have died along one of the main rivers in Sao Paulo state after an alleged illegal dumping of industrial waste from a sugar and ethanol plant, environmental authorities and prosecutors said. No Result View All ResultThis website uses cookies. By continuing to use this website you are giving consent to cookies being used. Visit our Privacy and Cookie Policy. I Agree