Air pollution affects everyone, and we must take real steps to reduce levels of nitrogen dioxide and particulates. This means steps like: fewer journeys by car, cleaner buses and taxis, insulation on homes to reduce the emissions from heating.

George Monbiot wrote a helpful summary of the damage that air pollution is doing to children's health and gave permission for others to reprint it. We have added some advice about how you can protect yourself by reducing your exposure, for example by taking back roads instead of main roads.

But the most important thing is to get overall levels down. This needs action at the national and local levels. Read more about our campaigns and our response to Southwark Council's weak and inadequate air pollution plans here.

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