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© Diagram made by the Laboratory of Soil Mechanics. © LMS / EPFL 2019

Could Innovative Engineering See a Swiss Subway Tunnel Help Heat Local Homes?

A key feature of cities around the world, underground public transport systems are just waiting to be made more sustainable. Researchers in Switzerland have just conducted a breakthrough study - on the back of decades of research - which could see cities harnessing the warmth from metro tunnels to heat local homes. Read on