"Algae Overgrowth Takes Center Stage at the National Mall: Experts Weigh in on the Cause. As summer temperatures soar, the tranquil reflecting pool on the National Mall has become a breeding ground for a different kind of growth - algae. The shallow waters, typically a serene oasis, have transformed into a vibrant green haven, prompting concerns about the impact on the pool's ecosystem and aesthetic appeal. Recent renovations to the pool may have inadvertently contributed to the accelerated algae growth, leaving experts to ponder the long-term consequences of this unexpected development."
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.
