The Answer Might Surprise You,» World and I, May / June 2003; Clinton Foundation, «Energy Efficiency Building Retrofit Program,» fact sheet (New York: May 2007). (earthpolicy.org)
The approaches for building retrofits selected by a jury are not only characterised by a high level of energy efficiency, but also by their economic viability. (passiv.de)
In 2007, the Clinton Foundation announced an Energy Efficiency Building Retrofit Program, a project of the Clinton Climate Initiative. (earthpolicy.org)