An event focused on interactive public art led a group to Turtle Cove along the Allegheny River. Participants collected trash and constructed sculptures.
It also found nearly 250,000 cases of asthma every year were caused as a result of the air pollution from coal-based steel, such as at U.S. Steel's Mon Valley plants.
Since Western Pennsylvania Conservancy and American Rivers partnered to remove the Woodland Dam along Little Sewickley Creek in 2015, fish populations have rebounded.
A massive push for hydrogen energy is one of the first test cases of new federal environmental justice initiatives. Communities and advocates so far give the feds a failing grade.