• Indiana Department of Environmental Management (IDEM)
• Indiana Office of Utility Consumer Counselor
• The Indianapolis Zoo - My Carbon Pledge
• Sustain-Indy
  • Mayor Ballard's Policy on Sustainability - 10/10/08 speech
• US Green Building Council - Indiana Chapter
• Green Piece Indy
• Indiana Living Green Magazine
• Indiana Sustainability Alliance (INSA)
• Hoosier Environmental Council (HEC)
• Earth Day Indiana
• Indiana Wildlife Federation
• The Nature Conservancy, Indiana Chapter
• Keep Indianapolis Beautiful
• Marion County Soil and Water Conservation District
• Central Indiana Land Trust
• Improving Kids' Environment
• Health by Design

For an annotated list of these local green resources and organizations, please click here.