ScienceDaily: Climate change is hampering the long-term recovery of rivers from the effects of acid rain, with wet weather offsetting improvements, according to a new study by Cardiff University. The research, by Professor Steve Ormerod and Dr Isabelle Durance of the School of Biosciences took place over a 25 year period around Llyn Brianne in mid-Wales. Their findings are published online today in the British Ecological Society’s Journal of Applied Ecology. Carried out in 14 streams, the …