Early innovations in green building seen in the first decade of the 21st century become the norm, reshaping the construction industry and creating entirely green cities that are not only sustainable, but resilient, giving rise to advances such as zero-energy home building, rooftop farming and permeable pavements. Sensors and wireless networks are increasingly being used to create smart cities and improve sustainability metrics.
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Copenhagen’s smart lighting
Copenhagen has installed a growing network of wireless streetlamps and sensors. LED streetlamps brighten when vehicles approach but dim after they pass. The city aims to be the first carbon-neutral capital city by 2025. The sensor-enabled light fixtures will also serve as a means of capturing data and coordinating services.