New research into baleen whales shows how they hit such low notes as well as the limits to how deep in the water they can go to talk to each other. It suggests most of their communication happens closer to the surface, right in the zones of ship noise.
Canada is considering an international proposal that would double the ambition of its greenhouse gas emissions targets from shipping a plan observers say the country seems ready to support.
Canada is considering an international proposal that would double the ambition of its greenhouse gas emissions targets from shipping a plan observers say the country seems ready to support.
Canada is considering an international proposal that would double the ambition of its greenhouse gas emissions targets from shipping - a plan observers
Canada is considering an international proposal that would double the ambition of its greenhouse gas emissions targets from shipping a plan observers say the country seems ready to support.