Tech.

Heat-pumps are no longer a single-family home story. From Stockholm’s district networks to a 9,000-flat retrofit in Hamburg, the technology is quietly displacing gas at city scale.

Rotterdam was always going to flood. The question, when the city sat down with its national government and its harbour authority in the late 1990s, was not whether to defend against the next flood but how to design a …

The German Building Energy Act, the Gebäudeenergiegesetz revised in autumn 2023 and in force from the first of January 2024, was meant to make residential heating in Berlin look like residential heating in Stockh…

After ten years of polite refusal, Transport for London has released a complete real-time API for buses, tubes, cycle hire and dock-bike use. We talked to the engineers who pushed it through, and to the small-team app…

Hungary's capital has built a sensor grid of 2.400 air-temperature probes across its districts. The maps it produces are uncomfortable reading. They are also being used — for the first time — to set school-closur…