Another Metro Vancouver beach has been closed to swimmers following concerns about bacteria.

Little to no apparent management posed possible ecological and environmental health concerns.

A range of wildlife-related events have been occurring this month in Shishmaref and other parts of Norton Sound.

Kettle ponds in Denali National Park contain less water this spring than in previous years, due to low snowfall and permafrost thaw. Shrubs are replacing grasses as the lakes dry.

The Mongolian Ministry of Health confirmed two people died from plague after consuming raw meat and internal organs of a marmot.

Warm temperatures are rapidly melting snow and creating ice, which creates difficult conditions for dog mushers. Migratory birds are arriving early, and a mosquito emerged months early. Small owls dead around the Goldstream Valley that looked unusually thin.

Large quantities of sargassum are likely to wash up on the beaches of Mexico’s Caribbean coast in 2019, according to a researcher.

In the frigid waters of the Gulf of Finland, cyanobacteria has been observed for the first time during the winter months.

The discovery of red tide along Baldwin County's beaches has prompted warnings from the Alabama Department of Health, local health experts and city officials. State health officials said water samples, which were taken on Monday, show low to medium levels of the toxin releasing algal blooms from Little Lagoon Pass in Gulf Shores to Alabama Point in Orange Beach. It's concerning news for Mobile native Stephen Crigler, who brought his family down to Gulf Shores for Thanksgiving.

From Belize to Barbados, tourist beaches have been swamped by huge tides of foul-smelling sargassum – and climate change could make the problem worse

Red tide has contributed to or is suspected in the deaths of nearly 190 manatees so far this year.

Set against the austere peaks of the Western Brooks Range, the lake, looked like it was boiling. Its waters hissed, bubbled and popped as a powerful greenhouse gas escaped from the lake bed.

The Division of Marine Fisheries is analyzing the clams and expects to have preliminary results in the coming days that might point to a cause.

“It’s an area that I and some other colleagues have started thinking about: can you get methane forming in terrestrial environments? But it’s a very new area of science,” carbon scientist Katey Walter Anthony said.

Red tide is officially impacting Pinellas County. Crews have picked up a total of 33.48 tons of dead fish and hauled them off to the county dump.

Deaths of gray and harbor seals, in much greater numbers than usual, have been attributed to viruses related to distemper and the flu.

Sargassum, a type of seaweed, is creating problems as it washes up across the Caribbean.

Necropsy results show blue-green algae caused the deaths of three dogs playing near the St. John River more than a week ago.

The beach at a state park in upstate New York has been closed because of a toxic algae bloom.