Canada, First Nations take first steps to protect massive swath of deep ocean on West Coast
The proposed Tang.ɢwan — ḥačxwiqak — Tsig̱is Marine Protected Area covers a 133,000-square-kilometre swath of open ocean on Canada's West Coast and harbours a unique concentration of hydrothermal vents, underwater sea mountains and rich deep-sea biodiversity hot spots found nowhere else in the world.