How do they know this ?
“Air pollution caused 40,000 deaths in the UK in 2019 – around 4,000 of which were in Greater London. Worldwide, outdoor air pollution accounts for around 4.2 million deaths per year due to conditions such as stroke, heart disease, lung cancer, and acute and chronic respiratory diseases.”
Now I live in the countryside, green, fresh air, almost no air pollution. I had a triple bypass, was that pollution or that fact that it’s hereditary in my family; one of my friends currently has Lung Cancer having lived on a farm in mid Wales for years ( his house surrounded by 60 acres of unfarmed land on the side of a mountain) and now living in the same village as myself, is that cancer due to pollution or perhaps one of the myriad conditions that cause it. How do they know that the 40,000 deaths in the U.K. were down to air pollution ?……