Every generation has some product/ingredient that they didn’t know was dangerous at the time: tobacco, lead, asbestos, etc. What is that item for this generation?
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Plastic, PFAS, CO2 Pollution, Tire dust (leading problem is cause of Asthma), Leaded fueled small prop planes (still standard), Oil, Industrialized agriculture (destroys nutrients in soils so food does not have it, produces tons CO2), many more.
Do you know if bicycles also create tire dust or do they not go fast enough?
I haven't seen studies so this is just conjecture, but I believe its the same material. Likely it does, but not close to the same magnitude of car tires.
Fair enough, thanks for humouring me anyway!