Department of Environmental Management
- Official site with sections for business, citizens, educators, researchers, and media. News of permits with online permit applications.
- http://www.in.gov/idem/

Protect Our Woods
- Non-profit organization working to preserve and protect forests, air and water in rural southern Indiana. Detailed profiles of board members.
- http://www.protectourwoods.org

Indiana Crop Improvement Association
- Details of services including seed certification, laboratory testing and other quality assurance programs.
- http://www.indianacrop.org/

Sustainable Indiana, Inc.
- Not for Profit based in Crawfordsville geared towards networking, education, sharing, outreach and building community aspects of sustainable living.
- http://www.sustainableindiana.org/

Indiana Geological Survey
- Provides services that contribute to the wise stewardship of Indiana's energy, mineral, and ground-water resources. Includes staff directory, a mission statement and history, events, projects and publications. Located in Bloomington.
- http://igs.indiana.edu/

Hoosier Herpetological Society
- A non-profit organization dedicated to the education of its membership and the conservation of all reptiles and amphibians. Includes information about meetings, events, and membership details. Located in Indianapolis.
- http://www.hoosierherpsociety.org/

Indiana Department of Natural Resources
- Provides information about the states wildlife resources and recreation. Includes tips on wildlife watching and reminders.
- http://www.in.gov/dnr/fishwild/

Indiana Energy Conference
- A public event for people to explore their culture's relationship with energy. The purpose is to discuss experiences, share ideas, explore action, and build community.
- http://www.indianaenergyconference.org

Indiana Soybean Board
- Conducts soybean promotion and research. Provides consumer information, producer information, industry information programs, and market development activities.
- http://indianasoybeanboard.com/

Indiana Academy of Science
- A non-profit organization promoting scientific research and in Indiana.
- http://www.indianaacademyofscience.org/

The Indiana 4-H Foundation
- A not-for-profit statewide organization that actively obtains contributions to support Indiana 4-H programs.
- http://www.4h.org/

Indiana Astronomical Society
- Information on the organization, events, light pollution, photo album and membership.
- http://www.iasindy.org

Indiana Woodland Steward
- Information on local forests, a calendar of events, and links to other forestry sites. A quarterly publication promoting the wise use of forest resources is also available.
- http://www.inwoodlands.org

Indiana Environmental Report
- News and views affecting Indiana's environment.
- http://www.iereport.com