However, Imperial College team also find that pollution has worse health impact than previously understood Deaths linked to air pollution fell by an estimated 40% in London over the five years from 2019, according to new analysis. The city’s mayor, Sadiq Khan, welcomed what he called “overwhelmi...
Source: [Guardian World](https://www.theguardian.com/environment/2026/jun/24/deaths-london-air-pollution-fallen-imperial-college)