Red and blue flames burning out of a chimney of a factory with more plants on the background on a cloudy grey day in the ruhr area

red blue flames burning chimney factory plants background cloudy grey day ruhr area wide wideshot steam environment pollution power station electricity industry duisburg energy industrial co2 ruhr area tower power plant carbon dioxide environmental damage power germany smoke walsum rhine river industrial building air pollution cooling tower reflection fumes dark climate smog building generation ruhrgebiet emission brown