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.

The sordid saga on the Washington Mall reveals why Trump's efforts to consolidate power keep failing.

Trying to kill algae with chemicals is a common response when community ponds or other water features go green, but a ...

Made internationally famous by their use to clean up the Lincoln Memorial pool in Washington, this tech is starting to be ...

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

CNN News Central’s Sara Sidner speaks with CNN Correspondent Tom Foreman about the blue material now peeling off the bottom of the pool and mixing with the green algae that won’t go away.

Trump's $16 million renovation to the Lincoln Memorial Reflecting Pool was supposed to turn it "American flag blue." See how ...

As the nation prepares to celebrate its 250th, a major topic in Washington isn’t the meaning of democracy but a shallow pool ...

President Donald Trump said vandals sabotaged the newly renovated Lincoln Memorial Reflecting Pool by slashing its blue lining with a knife. The administration has provided no evidence to back up the ...

"Daily Show" host Josh Johnson is using Donald Trump's own words to debunk his vandalism claims about the Lincoln Memorial ...

A company that worked on previous renovations at the Lincoln Memorial Reflecting Pool turned down a request to supply its ...

The "American flag blue" finish has turned into something else entirely, but why has algae reappeared?