The threshold for closure is set at 80 parts per million, but concentration in those areas were found to be as high as 1,300 parts per million.The warning applies to oysters, clams, scallops, mussels and geoduck.

A species commonly referred to as “red tide” has been spotted around B.C. coastal waters over the past month.

Plastic waste in the ocean is now so widespread it is polluting remote ice floes in the Arctic, scientists have discovered.

Scientists examining the devastating impact plastics are having on the world's oceans have identified seabirds with more than 250 man made objects lodged in their stomachs.

Researchers say the concentration of plastic waste in the European Arctic is now comparable or even higher than in more urban and populated areas.