The following is a list of environmental organizations, click the link to read more about each one.
- A Greener Indiana
- Central Indiana Land Trust
- Commuter Connect
- Citizens Action Coalition
- Citizens for Appropriate Rural Roads
- COMTO Indiana
- Earth Charter Indiana
- Green Piece Indy
- Health By Design
- Hoosier Environmental Council
- Hoosier Rails to Trails
- Improving Kids Environment
- INCOST
- Indiana Audubon
- Indiana CAFO Watch
- Indiana Citizens’ Alliance for Transit
- Indiana Recycling Coalition
- Indiana Sierra Club
- Indiana Wildlife Federation
- Indianapolis Metropolitan Planning Organization
- Indianapolis Transportation Association
- Indy Cog
- Indy Express Bus
- IndyConnect
- IndyGo
- Keep Indianapolis Beautiful
- Nature Conservancy
- People for Urban Progress
- Presidents’ Climate Commitment
- Save the Dunes Council
- Sustainable Indiana 2016
- The Friends of White River
- Tox drop locations
- Toxdrop
- Transportation alternatives
- US High Speed Rail
