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'Living green walls' that absorb pollution could soon be built along major commuter routes around Birmingham . Structures in the city lined with trees, bushes and other greenery would deliver cleaner air at the roadside according to new plans. It is estimated that 900 deaths a year in Birmingham are linked to air pollution through conditions such as heart disease, lung disease and cancer. Scroll down for video. The plans, put forward by Birmingham Conservatives ahead of the May 3 UK local elections, suggest lining the city's 'urban canyons' with green structures. Urban canyons are confined areas of a city that are flanked by high walls of concrete or glass, such as busy roads. Because poll... Full story

13 February