Is the Seine River really safe for swimming?
The Seine River in Paris has been closed to public swimming for more than 100 years, but it reopened to swimmers this summer. We talked to two people who took a dip.
Sep 23, 2025
Possibly Podcast Category: Combined Sewer Overflows
How did the Narragansett Bay get so much cleaner?
During heavy rain, Providence's sewers used to get overwhelmed and dump untreated sewage into the Bay. But thanks to a project to increase the capacity of sewers, untreated sewage rarely makes it into our waterways anymore.
Jul 9, 2024
Why did I see a bunch of dead fish in the Providence River?
One Possibly listener wondered why she saw so many dead fish in the water last spring. Turns out it’s called a fish kill – which can happen when there isn’t enough oxygen in the water for fish to survive.
May 28, 2024