Louisiana Native Plant Society
- Statewide non-profit organization presents membership information, calendar of field trips and events, newsletters, and scientific references.
- http://www.lnps.org/

Louisiana Wildlife Rehabilitators Association
- The Louisiana association of licensed, professional wildlife rehabilitators.
- http://www.lawraonline.com

Louisiana Environmental Professionals Association
- LEPA explains its purpose and history, and gives information on its officers, meetings, and membership.
- http://www.lepa.info/

Ouachita River Foundation
- A non-profit organization dedicated to the preservation of the beauty and history of the Ouachita River.
- http://www.ouachitariver.org/

Delta Chapter of the Sierra Club
- Statewide organization to advance the cause of protecting Louisiana's environment in a variety of ways, including lobbying the state legislature in Baton Rouge, sponsoring a Mercury Public Education Campaign; and working to keep the Atchafalaya Basin, Ame
- http://louisiana.sierraclub.org/

Audubon in the State of Louisiana
- Includes contact information and links for local Audubon chapters.
- http://www.audubon.org/states/la/

Coalition to Restore Coastal Louisiana
- Organization incorporated to address and advocate for the restoration and preservation of the only great delta ecosystem in North America -- the Mississippi River Delta.
- http://www.crcl.org/