Download - Buildings: consumption, tools, challenges
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JC Martel School of Public Affairs
University of Colorado Denver
May 8, 2014
WHY AND HOW SUSTAINABLY DEVELOPING AND RETROFITTING
BUILDINGS IS CRITICAL TO REDUCE OVERALL ENERGY CONSUMPTION
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Agenda
• Why • How • Challenges
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40% of global energy is used in buildings
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Barker, et. al. 2007. Technical Summary. In: Climate Change 2007: Mitigation. Contribution of Working Group III to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change. Cambridge University Press, Cambridge, United Kingdom and New York City, New York, USA. Page 53.
Carbon dioxide from buildings (GtCO2)
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Policy tools are used to encourage energy reduction in buildings.
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U.S. goal is 30-50% less energy consumption in new buildings above 2006 levels.
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China has strong codes for large buildings only; ~50% new bldg in world.
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Sweden has the most stringent energy efficiency requirements in the world.
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Japan has very good labeling program but does not inspect for efficiency.
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India has voluntary code for large buildings only since 2007.
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#1 USA #2 Canada #3 India #4 China
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Voluntary programs prove technical feasibility and prepare market for regulation.
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Diffusion of Innovation
Note: this is just my observation
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Sustainably developing and retrofitting buildings is critical to reduce overall
energy consumption.
But we face many challenges.
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Unprecedented growth
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Disasters and climate change
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Market and technical challenges
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due to the amount of energy that buildings consume and we reduce energy using regulation and voluntary programs against challenges of rapid urban development, disasters and climate change, and market and technical challenges.
Sustainably developing and retrofitting buildings is critical to reduce overall
energy consumption
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References
• New Buildings Institute (2012). Getting to Zero 2012 Status Update: A First Look at the Costs and Features of Zero Energy Commercial Buildings.
• Pacific Northwest National Laboratory (2009). Shaping the Energy Efficiency in New Buildings: A Comparison of Building Energy Codes in the Asia-Pacific Region.