Some tourists have canceled summer trips and lawmakers on Tobago have termed the sargassum invasion a “natural disaster.”

Algal blooms threaten the economies of the globe’s most tourism dependent nations, scuttle holidays plans and give climate scientists more to worry about

A species of invasive seaweed is becoming very abundant and displacing native species.

Causing muted tidal influence

Not a single humpback whale was seen in the Salish Sea for nearly a hundred years

The so-called 'warm blob' of water in the North Pacific has brought unusual plankton, which lack the nutrients wild salmon and other marine animals count on.

Scientists first caught on to the strange event when they found thousands of purple sea urchins and other organisms dead in their laboratory tanks.

[VIDEOS & PHOTOS] A rare and entertaining sea otter spotted along the shores of Saanich this week has locals thrilled, but wildlife experts warn to keep a distance.

Loss of shoreline and subsistence camps.

Update: Aug. 16. Mainstream Canada has announced that the Millar Channel fish farm is now empty. The fish, infected with the IHN virus,were taken to a rendering facility. Mainstream Canada is developing a plan for cleaning and disinfecting the farm site, as per the requirements of the Canadian Food Inspection Agency. “This is an unfortunate incident, but we are pleased with how smoothly the depopulation procedure went considering the situation,” said Fernando Villarroel, Mainstream Canada’s managing director.

Melting permafrost causing tundra to slip below sea level in northern Alaska.

Sunken vessel leads to petroleum spill.

Sea ice conditions making it difficult for community to harvest seasonal fish.

Scientists have identified an orange-colored gunk that appeared along the shore of a remote Alaska village as millions of microscopic eggs filled with fatty droplets.