About half the urban population lives close to a road with more than 10,000 vehicles a day, and that fact seems to be responsible for 15% of asthma cases among under-17s, 23% of chronic bronchitis cases, and 25% of cardiovascular diseases among over-65s.
The high concentration of many fine particles, largely due to emissions from diesel engines and heating systems, knocks almost two years off the average life expectancy of residents of Bucharest, and six months off the life of Parisians.
Why is this important? By 2017, estimates predict the Debden Road/Borough Lane junction to have 8,500 vehicle trips a day.
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