Energy-cities (2011) define energy efficiency as the use of less energy input while achieving or maintaining an equivalent level of economic activity. On the other hand, energy saving refers to a broader concept that also encompasses consumption reduction through decreased economic activity or behaviour change. Practically, the two are difficult to differentiate and are often used interchangeably although they are not synonymous (Kats, 2003).
In this regard, city authorities all over the world are increasingly adopting energy efficiency measures in a quest to become sustainable into the future. Consequently, this has led to the emergence of the term ‘green cities’ (Aulisi & Hanson, 2004). New York City, viewed by many as an urban, concrete jungle, was recently named the “greenest city" in the United States. This is mainly because most of its residents live in energy-efficient buildings, and use public transport, bicycl...
... middle of paper ...
...e Costs and Financial Benefits of Green Buildings: A Report to
California’s Sustainable Building Task Force. Available at www.cap-e.com/
ewebeditpro/items/O59F3259.pdf. (Accessed 6th October, 2011).
Mazza, P. (2005). Powering the Smart Grid: A Northwest Initiative for Job Creation, Energy
Security and Clean, Affordable Electricity. Climate Solutions. Available at http://www.climatesolutions.org/pubs/pdfs/PoweringtheSmartGrid.pdf. (Accessed 6th October, 2011).
Owen, D. (2004).Why New York is the Greenest City in the U.S. New Yorker.
SustainableBusiness.com (2006). Climate Neutral Bonds: A Local Global Warming
Solution. Available at http://www.sustainablebusiness.com/features/feature_template.cfm?ID=1305 (Accessed 6th October, 2011).
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buildingsdatabook.eren.doe.gov/(Accessed 6th October, 2011).
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