For further information how to get this badge and other details, please follow this link (and change the language to English): <a href="http://www.stadt-koeln.de/3/umwelt/umweltzone/">http://www.stadt-koeln.de/3/umwelt/umweltzone/</a> 2.) City Culture Tax There is a new Article by law regarding the City Culture Tax that beame effective since 1st December 2014.