request for comment: cars make the world worse

The uncomfortable reality about cars: every time you drive, you make the world worse. Toxic tire dust literally poisons the ecosystem, leading to e.g. mass die-off of coho salmon[2]. Car noise stresses out humans and animals[1], with real health effects like extended high cortisol levels. Animals that try to cross roads risk becoming roadkill -- as do humans. Animals that avoid busy roads get isolated into tiny genetically-fragile islands.

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