What is Green Building?

(via EngineersGarage.com)
Since its conception in the 1990s, the practice of Green Building has grown and diversified with the increasing popularity of the environmental movement. Different practitioners would carry their own various definition to what Green Building was, with varying levels of extremity. For example, some may only see real green building in extreme cases; ones that result in buildings that make little to no impact on the environment. Others, may put little weight on the definition and only use the term as a vague marketing tool. The ambiguity of the meaning begs the question of ‘how does one characterize Green Building, exactly?’
According to the Building Design and Construction: White Papers on Sustainability Report (2003), the Office of the Federal Environmental Executive (and United States Environmental Protection Agency) defines ‘Green Building’ as the following:
“the practice of 1) increasing the efficiency with which buildings and their sites use energy, water, and materials, and
2) reducing building impacts on human health and the environment, through better siting, design, construction, operation, maintenance, and removal — the complete building life cycle.”
In many cases, Green Building is used interchangeably with Sustainable Building or High Performance Building even though the terms are fundamentally different.
GREEN is a term that refers to anything that is made more environmentally friendly than the standard. It is a relative term, and functions mostly as a means of comparison (i.e. This is greener than that.)
SUSTAINABLE is more of a description of a goal. For something to be sustainable, they have preservation for the future as the priority. This means long-lasting plans for small environmental footprints that have as minimal impact to the functioning of future human activities or the environment as possible.
HIGH PERFORMANCE, conversely, prioritizes the present by paying more attention to efficiency and cost effectiveness. This term focuses on optimizing performance and ensuring that nothing is wasted.
Generally Green Building is used as an umbrella term to encompass all three of these attributes.
Reference:
http://www.usgbc.org/Docs/Resources/BDCWhitePaperR2.pdf
http://www.fas.org/sgp/crs/misc/R40147.pdf
http://www.epa.gov/greenbuilding/pubs/faqs.htm
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