Smoking in elevators, movie theatres, or airplanes. Goaltenders playing hockey in the NHL without a mask. Burning tons of coal to generate electricity. Today, we look back at these practices and wonder, how did we ever allow that to happen? Because today, of course, we know better. But what about the future? What do we do today that future generations will shake their heads at? And how do we chart a different path to ensure we make better decisions going forward?

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