Development of sustainable buildings is moving fast, pushing them to being energy producers rather than energy consumers. An early and futuristic example is the United Nations regional headquarters in Copenhagen, UN City, with its vast solar panel-covered roof, seawater cooling system and rain-water-flushed sanitation ...
First there was district heating, now there is district cooling and in Copenhagen it comes from seawater
Turning muck into money is no problem for this sewage treatment plant, which produces more energy than it consumes.
Heavier cloudbursts, rising sea levels, more flooding. This is the outlook for many urban areas. City councils, architects and engineers are responding to the challenges of a wetter future by looking at ways to adapt the urban landscape rather than expanding traditional underground drainage solutions. The approach saves money and creates better urban spaces.