• [2013-10-28] Urban underground holds sustainable energy
  + http://pubs.acs.org/doi/abs/10.1021/es401546u + http://e360.yale.edu/digest/underground_heat_from_cities_could_help_power_them_study_says/3987/
  in Tietoukka Monitor > 2013 > 2013-44 with subsurface_urban_heat_islands

subsurface_urban_heat_islands from all users