Islington Council, in north London, has launched a project to recover waste heat from the London Underground.
EnerCit’IF is the first solar energy cooperative in Paris. Renewable electricity produced by and for Parisians!  
Big Data allows the city to better understand the flows crossing it to better manage them. The future is a connected circular economy serving a sustainable smart city.
In Pécs in Hungary, Veolia operates a biomass cogeneration plant that is fueled by local straw waste. The city’s 150,000 residents keep 100% "green" warm!