The Marselisborg Wastewater Treatment Plant is not the typical WWTP you expect. It's an old facility that cleans the wastewater generated by about 200, 000 people. But the plant is a climate marvel: it receives no sources of external carbon and neither is it powered by renewable energy. Yet, this plant produces twice the amount of energy needed to clean its influent. How? It has been digitally transformed for energy efficiency and climate neutrality; two goals it has certainly achieved. Read more about the Maselisborg WWTP here: https://iwa-network.org/how-can-more-water-treatment-cut-co2-emissions/