Press release 25/2011 from 27.04.2011 | Last changed: 12.07.2013
Federal Environment Agency: The sky over the Ruhr is blue again!
… of dust, ash and soot from furnaces, steel converters and coke ovens settled on urban areas all year long. The result was a rise in respiratory diseases, especially … (PM 10 ), and since 2010 for nitrogen dioxide (NO 2 ), have been exceeded in German urban areas along many main roads. The major cause is the growth in road traffic. … zones is an important step in the right direction for improved air quality in urban areas. However, we must be mindful that decentralised energy supply that …