In 1994, I realized that petroleum combustion engines and the industries associated with them were capable of making the entire planet uninhabitable by humans within a century or less. By 2050 or so, I expect most of the rest of you will figure it out, but not before building, driving and junking an order of magnitude more vehicles than the 600,000,000 estimated vehicles currently in operation.
Breathable air and drinkable water or vroom vroom? Easy choice for me.
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