A billion marine animals died during heat wave in Pacific Northwest, scientists say

We’re still coming to terms with the extent of the damage from the recent heat wave in the Pacific Northwest. Hundreds of people died from the extreme temperatures. Out at sea, the death toll was also severe. Perhaps more than a billion marine animals died from the heat. Marine biologist Alyssa Gehman was tracking this from the University of British Columbia and the Hakai Institute. She speaks to The World’s Marco Werman from Vancouver. 

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