An extensive body of literature describes building and municipal technologies that improve energy efficiency, apply renewable energy resources, reduce GHG emissions, and adapt to potential climate change. For much of our history, energy was viewed as so abundant and inexpensive that insufficient scientific and technical attention was given to how to use it wisely. During the last 25 years, this has changed. Scientists have focused on energy and found fertile ground in virtually every area of energy use. The diversity of the building sector has made it a favourite field for technology innovation. Since, however, this Report focuses on how to transfer the technologies to new users, only a summary description is provided of this rich field.
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