Outdoor and environmental group in Dallas, Texas. Provides information and local activities. Outings including; hikes, car camping, bicycling, canoeing and back packing; operate as a not-for-profit service.

Local conservation and outdoor activities group. Works on protecting Katy Prairie, Armand Bayou, Galveston Bay and Sam Houston National Forest. Provides information and local activities.

Texas-based environmental organization focused on conservation and outdoor recreation. Works to preserve the environment, energy, and clean water, and to stop global warming. Includes calendar, mailing list, newsletter, how to get involved, action alerts, library of by-laws and position papers, and links to local chapters.

Activities of the San Antonio, Texas group of the Sierra Club. Has links to outdoor activities, political activism, local environmental issues.