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Dramatic fall in London’s levels of deadly pollutants after Ulez expansion https://www.theguardian.com/environment/2025/mar/07/london-air-pollution-down-since-ulez-expansion-study?CMP=Share_iOSApp_Other #ulez #london #airquality #airqualityimprovement
The Guardian · Dramatic fall in London’s levels of deadly pollutants after Ulez expansion