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32· Cooling
U.S. Domestic7d 19h ago
The Lincoln Memorial reflecting pool developed algae blooms, turning green after its recent repainting and refilling.
Washington, D.C.
Who
President Trump, Secretary of the Interior Doug Burgum, Interior Department, National Park Service, Steve Goodale, Rosalina Stancheva Christova
What
The Lincoln Memorial reflecting pool developed algae blooms, turning green after its recent repainting and refilling.
When
Wed, 17 Jun 2026 12:00:00 GMT · 7d 19h ago
Where
Washington, D.C. ·
Why
Experts attribute the algae growth to "New Pond Syndrome," shallow stagnant water, strong sunlight, and potential acceleration from the recent renovation's impact on nutrient balance and a darker pool surface.
The Frontline Impact
How this affects you
The algae bloom on a national landmark necessitated mitigation efforts by the Interior Department and National Park Service, including chemical treatments and nanobubble technology, adding to the cost of a multi-million dollar renovation project.
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