Boris Johnson leaves London breathing uneasy | Editorial

Obesity and alcohol command more attention, but floating poisons such as diesel fumes take just as heavy a toll. London under Boris Johnson illustrates how to fail this public health challengeEvery so often a statistic emerges to send shockwaves through the most innumerate skulls. One such figure, highlighted by the Royal College of Physicians in a report on Tuesday, is the annual toll of 40,000 premature deaths attributable to outdoor air pollution. It implies that the finger can be pointed at