Entries by Amalia Medina

Great Lakes Beach Closings Are No Protection From Harmful Pollutants

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Updated water testing technology needed to make Great Lakes safer.   By Amalia Medina, Circle of Blue – August 13, 2024  A green flag flying on a Great Lakes beach does not necessarily mean it’s safe to swim.   Checking beach monitoring websites like BeachGuard is not a surefire solution either.  These two findings are central […]

Harnessing Mussels to Filter Fresh Water

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A biological cure for contaminants is being studied. By Amalia Medina, Circle of Blue PHILADELPHIA – Water tanks line a room in this city’s Water Works on the bank of the Schuylkill River. Inside are small fish that are hosts to tiny organisms that researchers in the nation’s sixth largest city believe can help solve […]