Since 1987, Stockholm residents are heating themselves thanks to Stockholm Exergi recovering the heat from the treated wastewater of showers, toilets, and drains from all across the capital. The heat generated this way is enough to keep about 100,000 apartments warm all through winter and heat quite a few additional hot showers. If you want to read other good examples of circular economy, go to https://www.hagainitiativet.se/en/100-examples-for-circular-economy Have a great day! ************************************************* **** This is part of the Haga Initiative's campaign 100 Good Examples of Circular Economy. We want sustainable examples of circular economy from large and small companies. Email your suggestions and a picture to info@hagainitiativet.se