@CNN: Despite a reduction in some pollutants since the implementation of London’s low-emission zone, there was no evidence of a decline in the number of children with reduced lung capacities or asthmatic symptoms, a new analysis finds https://t.co/sRGJGm7zMY https://t.co/wEEN6UFXPu

@CNN: Despite a reduction in some pollutants since the implementation of London’s low-emission zone, there was no evidence of a decline in the number of children with reduced lung capacities or asthmatic symptoms, a new analysis finds https://t.co/sRGJGm7zMY https://t.co/wEEN6UFXPu