Fisheries Minister Joyce Murray said understanding of the marine environment is "relatively meagre" given that oceans cover 70 per cent of the Earth's surface.
Washington Gov. Jay Inslee says his state shares concerns with British Columbia about the Trans Mountain pipeline expansion and will continue to voice its objections any way it can.
Transport Minister Marc Garneau says efforts to protect Canada's coastlines from vessel spills includes an "unprecedented level of collaboration" with Indigenous communities.