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.
Treatment ponds were the answer to a problem that briefly threatened the creation of the memorial itself. How they came to be still carries weight for the people involved in the work.
It's back to the drawing board for a rule to define which streams, wetlands are protected under the Clean Water Act after a judge found the Trump-era rule risks "serious environmental harm."
Green infrastructure has other benefits besides treating stormwater, like improving air quality and increasing green space. But it could also lead to gentrification.
The dry spring meant less phosphorous fertilizer running off into tributaries of Lake Erie. It's too early to tell if efforts to reduce phosphorous are paying off.
