Source contributes à augmenter increases outdoor air temperatures retener aún más calor urban heat island urban heat island urban heat island Urban Heat Islands range of factors urban heat island increases outdoor air temperatures urban heat island urban heat island increases outdoor air temperatures https://scied.ucar.edu/longcontent/urban-heat-islands urban heat island à augmenter Urban Heat Islands Source contributes retain even more heat urban heat island effect urban heat island UCAR – Center for Science Education urban heat islands increases outdoor air temperatures https://scied.ucar.edu/longcontent/urban-heat-islands retain even more heat urban heat island urban heat island urban heat island