• Cities are tackling rising heat – but they have to avoid a dangerous trap

    Cities are tackling rising heat – but they have to avoid a dangerous trap
    With modern solutions such as air-con aggravating the problem, ancient heat-management techniques can offer answersClimate scientists baffled by unexpected pace of heatingBeneath the streets of Seville – the city nicknamed “El Sartén”, the frying pan of Europe, where summer temperatures regularly top 40C – a €5m (about £4m ) cooling strategy is taking the city back in time.The millennium-old Persian technique of “qanat” features underground c

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