We are raiding the Guardian long read archives to bring you some classic pieces from years past, with new introductions from the authors. This week, from 2022: A tide of effluent, broken laws and ruthless cuts is devastating the nation’s waterways. An academic and a detective have dredged up the truth of how it was allowed to happen – but will anything be done? By Oliver Bullough. Read by Peter Searles. Help support our independent journalism at theguardian.com/longreadpod
