Eco home heating from food waste and underground trains

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Cities need to look away from the ever-dwindling supplies of non-renewable resources to provide the power their citizens demand. Two new initiatives on both sides of the Atlantic are now harnessing power from previously overlooked sources to heat homes. The Department of Sanitation New York and Islington Council in the UK are respectively introducing systems that turn residents' organic food waste and excess heat from the London Underground tube network into energy to warm households. New York authorities already offer collection of organic waste from residents and schools, but Deputy Mayor Cas Holloway has begun a new system that sees…

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