There's a green lining to the mess.

The recent algae bloom in the National Mall's Reflecting Pool highlights a common issue with these diverse, photosynthetic organisms. While often a nuisance, especially toxic cyanobacteria, algae are vital for aquatic ecosystems,

An academic has discovered "surprisingly rich" communities of microscopic algae in one of the most remote locations on Earth. Dr Emily Broadwell embarked on a three-month expedition to Signy Island in Antarctica to study the growth of rare snow and glacier algae for her PhD at the University of Bristol.

One storm delivered most of the fuel for this summer’s bloom, renewing questions about the adequacy of runoff reduction efforts.

Residents worry as unprecedentedly early algae blooms hit Chautauqua Lake, closing Long Point State Park beach. Officials say the majority of the lake remains safe for holiday weekend recreation.

The Point Douglas Park beach in Denmark Township in southern Washington County was closed on Friday because of a potentially toxic blue-green algae bloom.

When the Lincoln Memorial Reflecting Pool turned green with algae just days after a US$15 million renovation, the U.S. government scrambled for chemicals and expensive technical solutions to fix the iconic landmark.