Green Building and LEED Core Concepts Guide First Edition
Green Building and LEED Core Concepts Guide First Edition
Green Building and LEED Core Concepts Guide First Edition
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ENVIRONMENTAL<br />
According to the EPA, Americans spend 90% of<br />
their time indoors, where concentrations of pollutants<br />
may be significantly higher than outdoor levels.<br />
Consequently, indoor environmental quality is a major<br />
concern in buildings.<br />
Strategies to improve indoor environmental quality<br />
have the potential to enhance the lives of building<br />
occupants, increase the resale value of the building,<br />
<strong>and</strong> reduce liability for building owners. Personnel<br />
costs-primarily salaries <strong>and</strong> benefits- are much larger<br />
than the typical building's operating costs, such as<br />
electricity <strong>and</strong> maintenance. Thus, strategies that im-<br />
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