Last week temperatures hit 116 degrees in Portland, 108 in Seattle, and 121 degrees in western Canada. According to news reports, nearly one billion sea animals may have cooked to death in British Columbia. San Francisco, a similarly temperate climate, has had its own moments of extreme heat. It reached 106 degrees during the 2017 heat wave, breaking all previous records. But what would happen if San Francisco’s temperatures reached as high as Portland's did last week? How would roads, bridges and the health system respond to 116 degree temperatures? Could the electrical grid manage to stay on line? Forum talks to a panel of experts about what a future with extreme heat looks like and what we should be doing to prepare.

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