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As far as I know the air pollution in Thailand is largely attributed to forest fires rather than vehicle emissions [0]. Funny enough, this also seems to be the case for Portland, Oregon [1].

[0] https://www.washingtonpost.com/world/2019/05/07/northern-tha...

[1] https://www.kgw.com/mobile/article/weather/air-quality/portl...

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"Car Pollution" may be a term for encompassing all the negative externalities caused by cars near people. Crash risk, reduced walkability and cyclability, noise pollution, increased sedentism, higher housing costs (due to parking minimums, car-friendly zoning,) etc.

For instance, I'd love to let my kid ride a bike to school. I don't because of cars (well, drivers, really). That's a form of pollution, in a sense.

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