Air quality in London for example (similar for other UK urban areas) is better now than in hundreds of years. [1] Even the Thames is much cleaner than it has b

Air quality in London for example (similar for other UK urban areas) is better now than in hundreds of years. [1] Even the Thames is much cleaner than it has been in generations. It should be 'drinkable' but it's not as bad as used to be. [1] https://ourworldindata.org/london-air-pollution https://ourworldindata.org/london-air-pollution