Heat Island Related Links
Note that additional links to urban heat island activities at the community and state levels can be found in the Community Actions Database.
- Basic Information
- Measuring Heat Islands
- Heat Island Impacts
- Heat Island Mitigation
- Trees and Vegetation
- Green Roofs
- Cool Roofs
- Cool Pavements
Basic Information
EPA Sites
Climate Change
EPA provides comprehensive information on the science of climate change, data on greenhouse gas emissions, projected health and environmental effects, U.S. climate policy, economic issues, and actions to reduce emissions.
State and Local Climate and Energy Program
This EPA program helps state and local governments with their clean energy efforts by providing technical assistance, analytical tools, and outreach support.
Other Federal Sites
EPA and National Oceanic and Atmospheric Administration (NOAA) Air Quality Meteorology Developmental Course
Designed for environmental decision-makers, scientists, technical advisors, and educators, this online course provides the meteorology and air quality background needed to understand meteorological computer models. The site also contains information on understanding and using a computational science approach to studying complex environmental phenomena.
NOAA National Climatic Data Center
The National Climatic Data Center is the largest weather data archive in the world. This site allows users to link to searchable databases offering climate and weather data, including national, state, and local surface temperature information.
United States Geological Survey (USGS) Geography Information
This site provides access to the USGS National Map Viewer, which allows the user to observe global, national, and local level land-use and land-cover information, as well as other geospatial data.
Non-Federal Sites
International Association for Urban Climate (IAUC)
This organization is composed of members with interests and responsibilities in urban climatology, urban meteorology, urban air quality, and the interactions between urban atmospheres and the built-up surface beneath. The IAUC site offers newsletters, listservs, tutorials, and other resources on urban climate.
The National Center for Atmospheric Research (NCAR)
NCAR was established to engage in research on atmospheric science problems—including climate change, changes in atmospheric composition, and weather formation and forecasting—and their impact on human populations.
Measuring Heat Islands
Federal Sites
Landsat Program
The Landsat program is a series of Earth-observing satellite missions jointly managed by the National Aeronautics and Space Administration (NASA) and the U.S. Geological Survey. These satellites are used to acquire remotely sensed images of the earth's land surface and surrounding coastal regions, and provide information from which researchers can derive surface temperatures and evaluate urban heat islands.
National Weather Service
The National Weather Service is a source for air temperature measurements, climate and weather models, and past and future climate predictions, as well as information on extreme weather and weather safety.
Heat Island Impacts
EPA Sites
Air Quality Index
This site presents communities with local air quality information, as well as suggestions on what individuals can do to reduce air pollution. It also provides air quality forecasts and publications on major pollutants.
Other Federal Sites
Centers for Disease Control and Prevention (CDC)
The CDC offers information on excessive heat, preventing heat-related illness, guidance on heat stress in the elderly, and other health-related advice.
- Climate Change and Extreme Heat Events (PDF) (20 pp, 3.3MB), published by the Centers for Disease Control and Prevention, describes extreme heat events, how they affect public health, and how to prepare for and respond to extreme heat events. It also explains how the frequency, duration, and severity of extreme heat events are increasing as a result of climate change, and includes links to local program and real-world examples from across the country.
National Weather Service, Heat Index
The National Weather Service's Heat Index can be used to alert citizens to heat-related health risks based on a combination of temperature and humidity levels. The site also has links to excessive heat outlooks, fatality statistics, historic data on major heat waves, drought information, and advice on how to minimize the health risks of heat waves.
Non-Federal Sites
American Lung Association
This site provides information on the effects that both outdoor and indoor air quality can have on lung function. Also included is information on pollution sources, tips for avoiding exposure, and recommendations on how individuals can prevent pollution.
The American Red Cross
This disaster relief organization provides information on what to do in the event of a heat wave, physiological indicators of heat-related illness and emergencies, and strategies for treatment. The information is also available in Spanish.
Heat Island Mitigation
Federal Sites
Department of Energy (DOE) Building Technologies Program
The Office of Building Technology, State and Community Programs hosts this web site, which includes information about energy and buildings for homeowners, commercial building owners and operators, building designers, researchers, and public officials.
DOE Lawrence Berkeley National Laboratory (LBNL) Heat Island Group
This site contains general information on the urban heat island effect and mitigation strategies, results of LBNL's heat island and cool roof research, a database comparing various roofing materials, and links to other sites.
Non-Federal Sites
Arizona State University National Center of Excellence
The National Center of Excellence on Sustainable Materials and Renewable Technologies (SMART) Innovations for Urban Climate and Energy facilitates collaborations with industry and various governments to research and develop technologies to mitigate urban heat islands, especially in desert climates, and with an emphasis on pavement technologies.
Green Globes
The Green Globes rating system is an environmental building design and management tool. The site provides an online assessment protocol; rating system; and guidance for green building design, operation, and management. Green Globes provides resources on several types of urban heat island mitigation technologies, including green and cool roofs.
U.S. Green Building Council (USGBC)
The USGBC's mission is to accelerate the adoption of green building practices, technologies, policies, and standards. USGBC’s Leadership in Energy and Environmental Design (LEED) rating system includes credits for general heat island mitigation activities (such as shade-tree planting) as well as for installation of green and cool roofs. The USGBC site provides publications and research on green building design, including cost and energy benefit analyses of employing green building technologies. USGBC also provides green building toolkits for government agencies and schools.
California Building Energy Efficiency Information
This page contains resources about building energy efficiency in California.
Trees and Vegetation
EPA Sites
Green Infrastructure
Green infrastructure is a cost-effective and environmentally friendly approach to wet-weather management. The site describes green infrastructure design options, including planting trees and other vegetation, to reduce stormwater runoff and water pollution.
SunWise Program
The SunWise program is an environmental and health education program that aims to teach people how to protect themselves from overexposure to the sun. SunWise promotes a variety of actions people can take to reduce exposure to harmful UV radiation; seeking shade is just one of them.
Other Federal Sites
i-Tree
Developed by the USDA Forest Service, the i-Tree software suite is available free of charge on CD-ROM by request. The software uses data gathered by the community to provide an understanding of urban forest structure, information on management concerns, cost-benefit information, and storm damage assessment. The software allows for analyses of a single street tree, a neighborhood, or an entire urban forest.
Urban Natural Resources Institute (UNRI)
UNRI, an initiative of the USDA Forest Service Northern Station, serves as a science-based source for information and answers to questions on urban forestry science and management. The site provides monthly webcasts, newsletters, and other resources.
LEARN - ICLEI USA
This interactive web mapping tool was developed to help communities in the United States estimate the local greenhouse gas (GHG) impacts of their forests and trees. It combines methods outlined in the ICLEI (International Council for Local Environmental Initiatives) Greenhouse Gas Protocol’s Appendix J with national data sources to derive a first-order approximation of annual GHG impacts over a given time period.
USDA Forest Service National Urban and Community Forest Program
This program helps state forestry agencies, local and tribal governments, and the private sector manage trees and forests in urban communities. The program's goals are to build awareness of the need for urban forestry; reach out to underserved communities; create partnerships between business, government and nonprofit organizations; and manage urban forests in a sustainable manner. Regional affiliates such as Urban Forestry South also carry out these goals.
USDA PLANTS Database
This site provides a database of information about U.S. plants, with an advanced search capability by name; location; and environmental variables, such as soil type, fire tolerance, and flower color.
Non-Federal Sites
American Society of Landscape Architects (ASLA)
This professional association for landscape architects hosts a website that includes a search tool to locate ASLA firms. ASLA is developing a sustainability rating system for landscaped sites, comparable to the U.S. Green Building Council's Leadership in Energy and Environmental Design (LEED) standard for buildings, as well as regional guides to best practices.
Arbor Day Foundation
The Arbor Day Foundation provides information about local tree planting programs and events, along with resources for environmental educators and parents. The Tree Guide Advanced Search houses a database of trees that can be searched by variables such as sun exposure, hardiness zone, tree shape, and height.
Cornell University, Recommended Urban Trees
Cornell University’s Urban Horticulture Institute provides a description of recommended urban trees for U.S. Department of Agriculture hardiness zones 1-6, listed by tree size and planting conditions.
International Society of Arboriculture (ISA) Guidelines for Developing and Evaluating Tree Ordinances
This site provides a variety of tools and resources for citizens and local governments interested in developing, revising, or evaluating local tree ordinances.
ISA Choosing the Right Tree
This site provides an overview of variables to consider, including tree function, form, size, and site conditions, when selecting trees for planting.
National Alliance for Community Trees (ACT)
ACT is a nonprofit organization that promotes urban and community forestry through citizen action. The site provides access to more than 50 local urban forestry efforts. ACT publishes a free electronic newsletter called NeighborWoods Network Update.
Selectree Database
This database provides a tree species index compiled by the Urban Forest Ecosystems Institute at California Polytechnic State University. Users can search for trees that meet specific criteria, such as exposure, salinity tolerance, soil moisture, and longevity. The database has an emphasis on southern California cities.
Sustainable Urban Landscape Information Series
This University of Minnesota series covers urban landscape design, plant selection, installation, and maintenance.
Green Roofs
EPA Sites
Green Roofs for Stormwater Runoff Control
This site provides a case study in which EPA is cooperating with Penn State University in testing green roof technologies. In this project, risk management researchers are evaluating performance data that could be used to enhance municipal stormwater management planning.
Managing Wet Weather with Green Infrastructure
EPA's Office of Water highlights design options, including green roofs, to reduce stormwater runoff and water pollution.
Other Federal Sites
General Services Administration (GSA) Green Roofs Site
GSA maintains more than 1.4 million square feet of green roofs. This site provides links to GSA reports on green roof cost-benefit analysis, best practices, research needs, and more.
Non-Federal Sites
Greenroofs.com
This commercial site provides information on green roof design, from intensive to extensive applications. It also contains case studies, a list of product suppliers, and an International Green Roofs Projects Database.
Green Roofs for Healthy Cities
Green Roofs for Healthy Cities is a non-profit coalition of private sector firms founded in 1999. Its site contains recent research, information on green roof demonstration projects, and additional resources. The organization organizes the annual Greening Rooftops for Sustainable Communities conference, an international forum on green roof design, policy, research, and networking.
Pennsylvania State University Center for Green Roof Research
The Center for Green Roof Research gathers data on the efficacy and potential of green roofs to mitigate stormwater runoff, capture energy savings, and buffer acid rain. The site highlights current research projects at Pennsylvania State University and provides a comprehensive list of links to related organizations and businesses.
Cool Roofs
Federal Sites
Department of Energy (DOE) Cool Roof Calculator
This calculator estimates cooling and heating savings for flat roofs with non-black surfaces. This version of the calculator is for small and medium-sized facilities that purchase electricity without a demand charge based on peak monthly load.
DOE Oak Ridge National Laboratory (ORNL) Building Technologies Research and Integration Center
The ORNL Building Technologies Research and Integration Center is devoted to developing technologies that improve the energy efficiency and environmental compatibility of residential and commercial buildings. This site contains research information on both the building envelope and its constituent materials. Fact sheets and other publications also are available.
ENERGY STAR
ENERGY STAR promotes a wide range of energy-efficient strategies, including cool roofs.
Non-Federal Sites
American Society of Heating, Refrigerating, and Air-Conditioning Engineers (ASHRAE)
ASHRAE is an international membership organization of engineers that has developed energy-efficient design standards that provide minimum requirements for both commercial and residential buildings; the standards include credits pertaining to cool roofing.
American Society for Testing and Materials (ASTM) International
ASTM International is a nonprofit organization that provides a forum for the development and publication of voluntary consensus standards for materials, products, systems, and services. To evaluate how "cool" a specific roofing product is, ASTM International has validated test methods to measure solar reflectance and thermal emittance.
Cool Roof Rating Council (CRRC)
Created in 1998 as a nonprofit, educational organization, CRRC's members include manufacturers, utilities, researchers, and consultants. CRRC maintains a product rating program and associated product directory.
Florida Solar Energy Center
Administered by the University of Central Florida, the Center serves as Florida's renewable energy and energy efficiency research, training, testing, and certification center. The Center's site posts studies on cool and green roofs.
Global Cool Cities Alliance
This non-profit organization’s mission is to advance urban heat island mitigation policies and programs to promote more efficient and comfortable buildings, healthier and more resilient cities, and to cancel some of the warming effects of climate change through global cooling. Among other initiatives, the Alliance has published a Cool Roofs and Cool Pavements Toolkit.
National Roofing Contractors Association
This trade association includes roofing, roof deck, and waterproofing contractors and industry-related associate members. It provides technical and safety information, news, and calendars of industry events.
Roof Coatings Manufacturers Association (RCMA)
RCMA is a national trade association representing the manufacturers of cold-applied coatings and cements for roofing and waterproofing. It promotes the availability and adoption of energy-efficient materials.
International Institute of Building Enclosure Consultants
This international association of professional roof consultants, architects, and engineers who specialize in roofing, waterproofing, and exterior wall specification and design. It hosts trade conventions and develops standards for professional qualifications.
Single Ply Roofing Industry (SPRI)
SPRI is a trade organization representing sheet membrane and component suppliers to the commercial roofing industry. It provides information about and forums to discuss industry practices, workforce training, and other concerns.
Cool Pavements
Other Federal Sites
Department of Energy (DOE) Lawrence Berkeley National Laboratory Heat Island Group: Cool Pavements
The Heat Island Group provides information about cool paving and other heat island mitigation measures. The Cool Pavements section of the site describes benefits of this technology; published reports on cool pavements are included under Recent Publications.
Federal Highway Administration (FHWA) Office of Pavement Technologies
The Office of Pavement Technologies provides resources and publications, technical guidance, workshops and training, and other related information on asphalt, concrete, and other paving technologies.
FHWA Office of Planning, Environment, & Realty
The Office of Planning, Environment, & Realty site provides comprehensive information on transportation planning and the environment.
FHWA Stormwater Best Management Practices
This site includes information on porous pavements as a best management practice for addressing stormwater.
Non-Federal Sites
Arizona State University National Center of Excellence
The National Center of Excellence on Sustainable Materials and Renewable Technologies (SMART) Innovations for Urban Climate and Energy facilitates collaborations with industry and various governments to research and develop technologies to mitigate urban heat islands, especially in desert climates, and with an emphasis on pavement technologies.
American Concrete Pavement Association (ACPA)
ACPA is a national association that represents concrete pavement contractors, cement companies, equipment and material manufacturers, and suppliers. This site contains research on portland cement concrete pavements and provides information about related technical and policy issues.
Association of Metropolitan Planning Organizations (AMPO)
AMPO is a nonprofit, membership organization established in 1994 to serve the needs and interests of metropolitan planning organizations (MPOs) nationwide. The site provides information for local MPOs and discussions of the environmental and other issues faced by MPOs.
The Center for Environmental Excellence
This site, hosted by the American Association of State Highway and Transportation Officials (AASHTO) was developed in cooperation with the Federal Highway Administration to promote environmental stewardship and to encourage innovative ways to streamline the transportation delivery process.
Global Cool Cities Alliance
This non-profit organization’s mission is to advance urban heat island mitigation policies and programs to promote more efficient and comfortable buildings, healthier and more resilient cities, and to cancel some of the warming effects of climate change through global cooling. Among other initiatives, the Alliance has published a Cool Roofs and Cool Pavements Toolkit.
International Stormwater Best Management Practices Database
This database was developed by the Urban Water Resources Research Council of the American Society of Civil Engineers under a cooperative agreement with EPA. The database provides access to best management practice performance data in a standardized format for over 190 best management practices.
Low Impact Development Center's Low Impact Development Urban Design Tools
The Low Impact Development Center, Inc. is a nonprofit organization dedicated to research, development, and training for water resource and natural resource protection issues. This site provides information on stormwater management techniques, including the use of permeable paving materials.
National Asphalt Pavement Association (NAPA)
NAPA is a trade association that represents Hot Mix Asphalt producers and paving contractors. This site contains information regarding asphalt production, use, recycling, and other considerations.
Portland Cement Association (PCA)
Founded in 1916, PCA represents cement companies in the United States and Canada. It conducts market development, engineering, research, education, and public affairs programs. This website provides general information about concrete pavements.
Transportation Research Board (TRB)
TRB is one of the divisions of the National Research Council— a private, nonprofit institution that is the principal operating agency of the National Academies in providing services to the government, the public, and the scientific and engineering communities. TRB conducts research on transportation and paving technologies, including exploring the benefits of cool pavements.