Residential building energy conservation and avoided power plant emissions by urban and community trees in the United States |
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| Affiliation: | 1. USDA Forest Service, 5 Moon Library, SUNY-ESF, Syracuse, NY 13210, USA;2. The Davey Institute, 5 Moon Library, SUNY-ESF, Syracuse, NY 13210, USA;1. Department of Environmental and Occupational Health Sciences, University of Washington, Seattle, WA, USA;2. Department of Biostatistics, University of Washington, Seattle, WA, USA;3. Department of Epidemiology, University of Michigan, Ann Arbor, MI, USA;4. Institute of Health and Environment, Seoul National University, Seoul, South Korea;5. Department of Civil and Environmental Engineering, College of Engineering, University of Washington, Seattle, WA, USA;6. Department of Statistics, University of Washington, Seattle, WA, USA;1. Department of Statistics, Iowa State University, United States;2. Real Estate Management Department, Ryerson University, Canada;3. Department of Civil, Construction and Environmental Engineering, Iowa State University, United States;1. UniSA STEM, University of South Australia, Adelaide, Australia;2. School of Design and the Built Environment, Curtin University, Perth, Western Australia, Australia;1. Laboratory of Building Construction and Physics, Faculty of Civil Engineering, Aristotle University of Thessaloniki, Greece;2. Department of Civil Engineering, University of West Attica, Greece;3. AAU-CRENAU, École nationale supérieure d''architecture de Nantes, France;4. Cerema, Equipe-projet BPE, F-44000 Nantes, France |
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| Abstract: | Urban trees and forests alter building energy use and associated emissions from power plants by shading buildings, cooling air temperatures and altering wind speeds around buildings. Field data on urban trees were combined with local urban/community tree and land cover maps, modeling of tree effects on building energy use and pollutant emissions, and state energy and pollutant costs to estimate tree effects on building energy use and associated pollutant emissions at the state to national level in the conterminous United States. Results reveal that trees and forests in urban/community areas in the conterminous United States annually reduce electricity use by 38.8 million MWh ($4.7 billion), heating use by 246 million MMBtus ($3.1 billion) and avoid thousands of tonnes of emissions of several pollutants valued at $3.9 billion per year. Average reduction in national residential energy use due to trees is 7.2 percent. Specific designs to reduce energy use using urban trees could increase these values and further reduce energy use and improve air quality in the United States. |
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| Keywords: | Air quality Ecosystem services Energy use Pollutant emissions Urban forestry |
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