Canada orders ships to reduce speed to prevent whale deaths

https://www.reuters.com/article/us-canada-whales-idUSKBN1AR20O

Photo by AP?NOAA Fisheries Southwest Fisheries Science Center and Vancouver Aquarium via REUTERS

Human activity has caused at least some of the deaths. Three whales died from blunt force trauma consistent with being struck by a large vessel and one was entanged in fishing nets.