Since Western Pennsylvania Conservancy and American Rivers partnered to remove the Woodland Dam along Little Sewickley Creek in 2015, fish populations have rebounded.
Four university studies funded by the National Science Foundation find new chemicals, and call for better environmental testing and communication after last year’s Norfolk Southern train derailment.
After the Homer City coal-fired power plant closed last year, residents of the Indiana County community are trying to make a go of tourism by cleaning up its legacy pollution.
