On clear days in Hartbeespoort, South Africa, satellite images often reveal a reservoir with shades of deep blue interrupted ...

The 2025 harmful algal bloom in Lake Erie was smaller than many expected, continuing a multi-year trend of improvement tied ...

Harmful algal blooms pose growing risks to freshwater ecosystems, drinking water security, and public health. Yet despite their dramatic appearance at the water surface, the earliest stages of these ...

As New Yorkers choked through another day of poor air quality – driven by ongoing Canadian wildfires – another environmental threat looms, this one found in the state’s surface waters. The threat of ...

A satellite image from Aug. 13, 2024, shows an algal bloom covering approximately 320 square miles (830 square km) of Lake Erie. By Aug. 22, it had nearly doubled in size. NASA Earth Observatory ...

OROVILLE — An advisory is in place for a portion of the Feather River’s middle fork after an algal bloom with the potential to do harm was uncovered. The advisory is cautionary, and the waterway ...

Thursday, the Department of Health and Human Services lifted harmful algal bloom advisories in Humboldt County and recapped the year’s toxic growths — with eight recorded HAB incidents between late ...

RONALD TOWNSHIP, Mich. (WOOD) — People and pets should avoid touching “scummy” water in Woodard Lake due to a harmful algal bloom, the Ionia County Health Department said. The public health advisory ...

Decades of research and billions of dollars spent to understand the causes of toxic algae blooms and oxygen-starved aquatic dead zones around the world have produced more scientific knowledge but ...

Back in 2003, when researchers began predicting with excellent accuracy how much of western Lake Erie would be coated with the green slime of a toxic algae bloom, there were important points to be ...

With temperatures skyrocketing and crowds flocking to local beaches, where an algal bloom of Noctiluca scintilla – also known ...