Passive Cooling

Industrial building developers, who had previously decried the price tag of green roofs now standard to many buildings in Toronto, may get the OK to construct an alternative, reflective roof instead.
Nov 9, 2011   National Post
Internet server farms suck up enormous amounts of energy keeping all those mainframes cool. So Facebook has announced it will build in Northern Sweden and use only the natural air to chill their facility.
Oct 27, 2011   The Telegraph