Thanks! We updated the link from http://www.citymetric.com/transport/londons-tube-has-been-running-so-long-its-literally-raising-temperature-earth-around-it htt

Thanks! We updated the link from http://www.citymetric.com/transport/londons-tube-has-been-running-so-long-its-literally-raising-temperature-earth-around-it http://www.citymetric.com/transport/londons-tube-has-been-ru... to this a while ago.