Air pollution 'causing deadly public health crisis'
8 December 2014 Last updated at 09:46 GMT
New schools, care homes and hospitals should not be built next to busy roads because of the dangers of air pollution, according to a group of MPs.
The Environmental Audit Committee says pollution is causing nearly as many deaths as smoking.
Their report is calling for more than 1,000 schools to be fitted with air filtration systems to protect children from traffic fumes.
Roger Harrabin reports.