- Conservation Alliance of the Great Plains, The
- Dedicated to environmental research, education, and advocacy in the Great Plains and beyond. - Friends of the Prairie Learning Center - Neal Smith National Wildlife Refuge
- Restoring and reconstructing tallgrass prairie and savanna habitats while engaging in environmental education. - Glenview Prairie
- Helps to protect the prairie land, and offers preservation information to the public. - Neotropical Grassland Conservancy
- Works to preserve and restore grassland ecosystems throughout Latin America. - Plains Conservation Center
- Working to preserve the native prairie of eastern Colorado. Features events calendar, programme and membership information, and more. - Prairie Enthusiasts - West Central Wisconsin Chapter
- Grassroots, volunteer based organisation concerned with the inventory, promotion, restoration, and protection of natural prairies in West Central Wisconsin. - Prairie Wildlife Research
- Conducts and assists with scientific research and surveys of wildlife species of the prairie and their associated habitats. - Save The Kasota Prairie
 - Tallgrass Prairie National Preserve (NPT)
 - Turner Endangered Species Fund
- Dedicated to conserving biodiversity by ensuring the persistence of imperiled species that have historically ranged onto properties owned by Ted Turner.
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