In the first update for 16 years, the guideline limit for the most damaging pollution – tiny particles from burning fossil fuels – has been halved


Which raises the question of why the allowed level of pollutants was so high before. The cynic in me wonders whether the reason why they're making this shift *now* is that electric vehicles are more available now, so that it's plausible for countries to come into line without making any big changes to things like urban design : \

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