|4 Avenue du Recteur Poincaré, Paris, 75016||France||https://construction21.org|
Construction 21 is a communications organisation specialising in social media. Its objective is to accelerate the green transition by facilitating innovation & the dissemination of best practices by working with public authorities, researchers, & practitioners. It consists of an international network — with several hubs in Europe, North Africa, & China — of web platforms managed in each country by a local team that is integrated with their respective national innovation ecosystem.
- Low carbon