All of London is suffering from low air quality. The damage to children is particularly acute. Yes, the problem is hard to solve because both the cause and the damage are diffuse, but that doesn't mean we shouldn't act!
***Update: I was going to make this a separate post, but it's too similar to this one! 1 in 6 deaths in 2015 is linked to pollution, and most of them to air pollution. That's crazy! That's three times more than AIDS, TB, and malaria combined.