From "sewer of the Ruhr" to thriving ecosystem: The transformation of Europe's dirtiest river is a model for environmental restoration efforts. #climatechange #climatesolutions #climate #Conservation #Rewilding #NatureBasedSolutions #UrbanSustainability #GoodNews
https://www.theguardian.com/environment/2025/jul/10/emscher-europe-dirtiest-river-nature-sewer-of-ruher