In the first episode of a three-part series, environmental reporter Barbara Moran is on Cape Cod to find out why the crystal clear water there is turning “pea-soup green”—and how communities are scrambling to clean it up. For more information, read WBUR’s coverage of the efforts to improve Cape Cod’s water pollution, including a “pee-cycling” project being considered by one innovative town. And watch WBUR and Scientific American’s documentary short exploring how pollution and algae overgrowth threaten this Massachusetts vacation hub. Email us at [email protected] if you have any questions, comments or ideas for stories we should cover! Discover something new everyday: subscribe to Scientific American and sign up for our daily newsletter. This series is a co-production of WBUR and Scientific American. It’s reported and hosted by WBUR’s Barbara Moran. Science Quickly is produced by Jeff DelViscio, Kelso Harper, Madison Goldberg and Rachel Feltman. Our theme music was composed by Dominic Smith. Shayna Posses and Aaron Shattuck fact-checked this series, and Duy Linh Tu and Sebastian Tuinder contributed reporting and sound. WBUR’s Kathleen Masterson edited this series. Additional funding was provided by the Pulitzer Center. Learn more about your ad choices. Visit megaphone.fm/adchoices