The expansion of Sadiq Khan's Ulez ultra-low emission zone on August 29, 2023, has resulted in significant reductions in harmful emissions across Greater London. Eleven boroughs, including Barking and Dagenham and Croydon, reported a 15% decrease in nitrogen oxides and a 32% reduction in PM2.5 levels. Legal challenges from certain boroughs were dismissed, allowing the Ulez to effectively tackle air pollution, climate change, and congestion. The report noted overall reductions of 2% in CO2 emissions across London, emphasizing the public health benefits of cleaner air.
The Ulez expansion has significantly improved air quality in London, with certain boroughs experiencing up to a 15% reduction in harmful emissions like NOx and PM2.5.
Despite facing legal challenges from certain boroughs, the expansion of the Ulez has been a success in reducing pollution across Greater London, particularly in outer boroughs.
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