Technology; UK, Scotland:

Flooded mines could supply 40% of Glasgow's heating, say geologists (The Guardian)

(Courtesy British Geological Survey)

Homes and offices in Glasgow could be warmed by water pumped from far underground after geologists surveyed a vast network of old mine shafts beneath the Scottish city.

The British Geological Survey (BGS) mapped the mine workings to help developers identify pools of warm, subterranean water that could be used as a source of heat for homes and businesses.

At the British Science Festival in Aberdeen on Thursday, BGS scientists unveiled 3D maps that showed groundwater could be tapped from a flooded network of disused coalmines.

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