14 July 2020
Overnight on Sunday/Monday this week a thousand posters popped up around London and other parts of the country, encouraging people to ditch the car and walk, scoot or cycle instead when schools resume in September. The posters had been sent out in secret to supporters by the clean air campaign group Mums for Lungs, which was established in 2017 when a group of parents walking around South London with small babies became aware of the toxic levels of air pollution on London's streets.
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