Warm weather has fueled a bloom that National Park Service workers are trying to kill using everything from hydrogen peroxide to nanobubbles ahead of July 4 celebrations.

The shallow, sunny waters of the reflecting pool are an ideal incubator for algae growth in the summertime. Experts say the recent renovation may have helped accelerate it.

Experts had warned that Trump's plan could make the problem worse. Now, there are signs those concerns were justified.

I went to the Reflecting Pool because, as a certain American naturalist once said of a different pond, I wished to “live deliberately” and “see if I could not learn what it had to teach.” I doubted ...

Interior Secretary Doug Burgum on Sunday said the algae in the Lincoln Memorial Reflecting Pool is “all gone” after a $14.6 ...

President Donald Trump claimed Saturday, without providing evidence, that vandals damaged the algae-plagued Reflecting Pool on the National Mall and that the water will need to be drained for repairs.

Add Yahoo as a preferred source to see more of our stories on Google. Worker cleans up algae in the reflecting pool - Clipped From Video The Trump administration has spent days heavily promoting the ...

Green algae and other organic material have returned to the Lincoln Memorial Reflecting Pool, just days after the Trump administration wrapped its roughly $14 million renovation of the monument.

by Kate Yandell ANALYSIS — President Donald Trump has repeatedly blamed vandals for damaging the new blue lining of the ...

Watch: Why is the newly renovated Reflecting Pool in Washington DC full of algae?

The Trump administration’s renovations of the Reflecting Pool on DC’s National Mall held up for about a week. Construction crews spent weeks painting the more-than-2,000-foot-long pool “American Flag ...

A Tennessee Republican had an unusual suggestion for President Donald Trump’s algae problem in the Lincoln Memorial Reflecting Pool — let it grow. “It’s just gonna happen,” Representative Tim Burchett ...