helsinki & the underground master plan

you may have seen this on Gizmodo, but if not, fyi, helsinki has become the first city with an underground master plan. Thanks to their constricted urban landscape (sea and existing buildings), they have decided to mitigate sprawl by digging deep and “going green”. This of course, made possible, by the shallow layer of hard bedrock located right below the city. They even cool computers with sea water, and use the heat for houses. Smart Fins…

Richard Quest explains all: