(THE CONVERSATION) Summer isn’t even half over, and we’ve seen heat waves in the Pacific Northwest and Canada with temperatures that would make news in Death Valley, enormous fires that have sent smoke across North America, and lethal floods of biblical …(THE CONVERSATION) Summer isn’t even half over, and we’ve seen heat waves in the Pacific Northwest and Canada with temperatures that would make news in Death Valley, enormous fires that have sent smoke across North America, and lethal floods of biblical …