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Students monitor parents' air pollution

8 August 2014 Last updated at 09:13 BST

The school run is a well known source of traffic congestion - bringing with it increased air pollution.

Roads outside Bearsden Academy in Glasgow have become so busy that the children have resorted to checking-up on their parents.

They have installed air quality monitors in the hope they will shock mums and dads into leaving the car at home.

Eleanor Bradford has been following their progress.