Choked by Beth Gardiner review the toxic truth about the air we breathe

Ambient air pollution, like smoking, can seldom be definitively linked to individual cases of debility or premature death, but it greatly increases the risks. In Choked, Beth Gardiner reports that it cuts short about 7 million lives worldwide every year. Recent research suggests the actual number is closer to 9 million, or roughly one in nine of all deaths. Whatever the precise figure, air pollution – principally nitrogen oxides and tiny particles known as PM2.5 – kills more people than smoking, and more than Aids, diabetes and traffic accidents combined. The Guardian

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