Guardian: Children at nearly 90 secondary schools in London breathe illegal and dangerous levels of air pollution, a report for the mayor reveals.
Former mayor Boris Johnson was accused in May of burying a report that showed hundreds of primary schools were in areas that breached EU pollution limits in 2010, prompting calls for greater action to clean up the capitals air.
But new research looking for the first time at which secondary schools in the capital are exposed to illegal levels of the toxic...