Nonsense. If a residential area has illegal levels of toxic air pollution then the solution is to limit the amount of motor traffic allowed into that area. The

Nonsense. If a residential area has illegal levels of toxic air pollution then the solution is to limit the amount of motor traffic allowed into that area. The government must provide alternative travel options (walking, cycling, electric buses, trains, etc). We are not talking about a manufacturer hub here, but zones 2-3 of an deindustrialized city in one of the richest nations on Earth. How we can't find the means to solve this is beyond me.