The turquoise water of Hōnaunau Bay in Hawaii, an area popular with snorkelers and divers, is teeming with spiny creatures ...

Dead fish are being reported at two Arizona lakes. Wildlife officials say poor water quality caused by below-average ...

Researchers said Honaunau Bay now has an average of 51 sea urchins per square meter. This is considered to be the highest ...

Brian Wheeler, director of Save Wild Trout, recently documented extensive algae blooms on the Big Hole, Jefferson and Boulder ...

Already under pressure because of the rising temperature of the ocean and water pollution, the coral reef in Hōnaunau Bay faces a new threat.

Clark County Public Health is warning residents of new dangers related to algae growths in local waterways. Benthic algal mats found along the Columbia River have been linked to the death of two dogs.

An overgrowth of duckweed—a small, fast-growing floating plant often found on stagnant water surfaces. This blocked the sunlight needed for the algae to do their work. Seasonal wildfires, which ...

The view from Sam Randall’s back porch in Geneva’s Mill Creek subdivision overlooks a retention pond in the Tanna Farms Golf Club that was green with algae overgrowth, buggy, and stinky this ...