- Alameda Creek Watershed Center
- Aliso Wood Canyons Wilderness Park
- Anza-Borrego Desert State Park
- California Delta
- Chadwick School
- City of Dana Point
- City of Highland
- City of Long Beach
- Coastkeeper Garden
- Coral Mountain Discovery Park
- Crystal Cove State Park
- Cuyamaca Rancho State Park
- DeForest Wetlands
- Edgewood County Park and Natural Preserve
- Environmental Education Master Planning
- Fakahatchee Strand Preserve
- Fellows Riverside Gardens
- Garvan Woodland Gardens
- Hayward Shoreline Interpretive Center
- Holden Arboretum
- Huntington Beach Wetlands Conservancy
- Laguna Coast Wilderness Park
- Lindsay Wildlife Center
- Los Angeles Zoo
- Nature Playscapes
- New Mexico Farm and Ranch Heritage Museum
- Nix Nature Center
- Ocean Institute
- Oceano Dunes
- Orange County Courthouse
- Orange County Water District
- Oregon Zoo
- Owens Lake
- Pittsburgh Botanic Garden
- Placerita Canyon Interpretive Center
- Point Vicente Interpretive Center
- Railtown 1897 State Historical Park
- Ritz-Carlton Laguna Niguel
- River Oaks Park
- San Francisco Peninsula Watershed
- Serrano Adobe at Heritage Hill
- Tijuana River National Estuarine Research Reserve
- West Basin Municipal Water District
