8 - Green Buildings - An Introduction to the U.S. Green...

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An Introduction to the An Introduction to the U.S. Green Building Council U.S. Green Building Council and the and the LEED Green Building LEED Green Building Rating System Rating System ® May 2005 Copyright 2005, U.S. Green Building Council
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USGBC’s MISSION: to promote the design and construction of buildings that are environmentally responsible, profitable, and healthy places to live and work. The organization’s activities… Integrate building industry sectors Lead market transformation Educate owners and practitioners
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USGBC is. .. A national nonprofit organization A diverse membership of organizations Consensus-driven Committee-based product development Developer and administrator of the LEED ® Green Building Rating System
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What is “Green” Design? Design and construction practices that significantly reduce or eliminate the negative impact of buildings on the environment and occupants in five broad areas: Sustainable site planning Safeguarding water and water efficiency Energy efficiency and renewable energy Conservation of materials and resources Indoor environmental quality
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Environmental Impact of Buildings* 65.2% of total U.S. electricity consumption 1 > 36% of total U.S. primary energy use 2 30% of total U.S. greenhouse gas emissions 3 136 million tons of construction and demolition waste in the U.S. (approx. 2.8 lbs/person/day) 4 12% of potable water in the U.S. 5 40% (3 billion tons annually) of raw materials use globally 6 * * Commercial and residential
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Benefits of Green Building Environmental benefits Reduce the impacts of natural resource consumption Economic benefits Improve the bottom line Health and safety benefits Enhance occupant comfort and health Community benefits Minimize strain on local infrastructures and improve quality of life
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Economic Benefits Competitive first costs Integrated design allows high benefit at low cost by achieving synergies between disciplines and between technologies Reduce operating costs Lower utility costs significantly Optimize life-cycle economic performance
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Economic Benefits Increase building valuation and ROI Using the income-capitalization method: asset value = net operating income (NOI) divided by the capitalization rate (return). If the cap rate is 7%, divide the reduction in annual operating costs by 7% to calculate the increase in the building’s asset value Quantify financial benefit in terms of Return On Investment (ROI) instead of payback time. Decrease vacancy, improve retention Marketing advantages Reduce liability Improve risk management
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Productivity Benefits Improve occupant performance Estimated $29 –168 billion in national productivity losses per year 1 Student performance is better in daylit schools. 2, 3
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This note was uploaded on 04/11/2008 for the course C E 341 taught by Professor Scanlon,andrew during the Spring '07 term at Pennsylvania State University, University Park.

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8 - Green Buildings - An Introduction to the U.S. Green...

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