President Trump's efforts to spruce up the Lincoln Memorial Reflecting Pool faced a snag this week, with algae turning the ...

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

The Reflecting Pool is a centerpiece of Mr. Trump’s attempts to remake the capital in honor of the nation’s 250th birthday.

As the Lincoln Reflecting Pool turned green with algae, officials are now using chemicals to fix it.

Algae spread across the Lincoln Memorial Reflecting Pool shortly after a multimillion-dollar renovation. The Interior ...