When your local reflecting pool or pond turns green with algae nature has better solutions

By: Eric Palkovacs

Outlets: Maryland Matters

Published: June 27, 2026

Words: 995

Last Updated: 3 weeks, 1 day ago


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When the Lincoln Memorial Reflecting Pool turned green with algae just days after a $15 million renovation, the U.S. government scrambled for chemicals and expensive technical solutions to fix the iconic landmark.

Trying to kill algae with chemicals is a common response when community ponds or other water features go green. But as a scientist who studies freshwater ecology, I can tell you there are better solutions that cost far …

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