Pittsburgh's sewer system was built in the 1800s for a much smaller city, and it's notorious for overflowing. But there's a new way to capture stormwater, hidden beneath the green grass of two new parks.
Protecting a pristine glacial lake in Erie County from invasive species takes painstaking work. An entomologist wants people to plant their gardens and yards with native species that feed the ecosystem. Pittsburgh opens two new parks, one with a public art installation that makes visible the history of water and flooding in a community.
The challenges of preserving the sacred ground at the Flight 93 National Memorial and the efforts to treat water pollution that plagued the site long before the plane crashed there on 9/11. A look back as a naturalist searched for reassurance in nature on September 12. We dig into the recent decision by a federal judge to throw out a Trump rule that stripped protections for many streams and wetlands.
A little clover makes a big move off the Endangered Species list. What some labor unions want in a clean energy economy. We'll also talk to the engineer tasked with making sure fossil fuel communities aren't left behind. Plus, Pa. is a step closer to putting a price on carbon. News about fracking waste and the Clean Water Act.