Canada's lakes are changing because of warming caused by the burning of fossil fuels. Here's why scientists are concerned.

South Australia's state premier has declared a toxic algal bloom a "natural disaster" amid thousands of marine animal deaths, ...

As of late October 2024, blooms were still present along the southern shores of Lake Erie. In the warm weather, people flock to Ontario’s small lakes to swim, canoe or simply enjoy the tranquil ...

Ash erupted high into the atmosphere from Kīlauea in 2018. Credit: U.S. Geological Survey When the Kīlauea Volcano erupted in May 2018, an enormous amount of ash was released into the atmosphere ...

Countries across the globe are facing toxic algae blooms. In this picture, the St Lucie River, in the American state of Florida, is covered by a blue-green algae bloom, in July 2016.

Photo Ash erupts high into the atmosphere from Kilauea in 2018. A new study found the eruption sparked a massive phytoplankton bloom that sequestered much of the carbon released during the eruption.