Brussels, 19/01/2011 (Agence Europe) - To improve EU air quality, greater focus has to be put on a whole range of relevant EU policies rather than environment policy alone. The National Emissions Ceilings Directive needs to be changed (setting upper limits for sulphur dioxide, nitrogen oxides, volatile organic compounds and ammonia) explained the European Commission in a policy debate on Tuesday 18 January 2011 on the future of EU air quality legislation and the effectiveness of short- and...