Air pollution: everything you should know about a public health emergency

It isn’t just car fumes that fill our urban centres with particles. Why is air pollution on the rise, who does it affect most – and what can we do about it?

Nothing is more vital to life than breathing: in a lifetime, about 250m litres of air passes through your lungs. Yet walk along a busy city street and you will inhale something like 20m particles in a single lungful.

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from The Guardian https://ift.tt/2D20Jfc
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