Nature and EnvironmentA coal city goes green To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoNature and Environment09/02/2017September 2, 2017Essen, in Germany's west, was once a center of coal production. Now it's Europe’s "Green Capital" thanks to investment in green infrastructure, a "bike autobahn" and plans to slash emissions.https://p.dw.com/p/2j8HOAdvertisement