The following resources are provided for your information. The websites will open in a separate browser window. 

• United States Department of Energy (DOE) 
• United States Environmental Protection Agency (EPA)
• United States Geological Survey (USGS)
• United States Department of Agriculture (USDA)
• United States Department of Housing and Urban Development (HUD)
• Illinois Department of Commerce and Economic Opportunity (DCEO)
• Chicago Metropolitan Agency for Planning (CMAP)
• American Planning Association (APA)
• American Society of Heating, Refrigerating, and Air Conditioning Engineers, Inc. (ASHRAE)
• International Code Council (ICC)
• International Organization for Standardization (ISO)
• Solar Rating and Certification Corporation (SRCC)
• Sustainable Forestry Initiative, Inc. (SFI)
• Underwriters Laboratories Inc. (UL)
• United States Green Building Council (USGBC)
• United States Green Building Council, Illinois Chapter (USGBC)
• Illinois Smart Energy Efficiency Center 
• National Association of Conservation Districts
• Soil and Water Conservation Society
  

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