South Australia's catastrophic harmful algal bloom now affects almost 30% of the state's coastline, stretching from the Coorong in the state's southeast to the seafood-rich Spencer Gulf to the west.

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 ...

NOAA predicts a mild to moderate harmful algal bloom season for Lake Erie, primarily impacting the western basin. Harmful algal blooms, caused by excessive algae growth from nutrient runoff, can pose ...

An underwater bloom of toxic algae has wreaked havoc off the coast of South Australia since mid-March 2025. After eight months, this harmful algal bloom is the longest and one of the most ...

What struck Scott Bennett most were the razor clams. The long saltwater clams, resembling old-fashioned razors, normally burrow into sand to avoid predators. But when Bennett, an ecologist, visited ...

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 ...

Quick-growing blooms of bacteria and algae have long been a hazard in lakes and rivers, because of the toxins they produce. Fueled in part by agricultural runoff, these blooms are also threatening ...

EASTHAMPTON — The Nashawannuck Pond — at the forefront of one of the city’s iconic views with Mt. Tom looming in the background — developed a cyanobacteria bloom this summer, but further investigation ...