Sacramento National Wildlife Refuge Complex
- Located 50 to 90 miles north of the city of Sacramento consists of six national wildlife refuges for a total of 34,990 acres in the Central Valley of California.
- http://sacramentovalleyrefuges.fws.gov/

Sacramento-Yolo Mosquito and Vector Control District
- Government agency provides mosquito abatement services.
- http://www.fightthebite.net/

Sacramento Metropolitan Air Quality Management District
- Mission to achieve clean air through programs, community involvement, and public education. Includes news releases, plans, programs and permit information.
- http://www.airquality.org/

Cosumnes River Preserve
- A cooperative habitat restoration effort of The Nature Conservancy, California Fish and Game, Ducks Unlimited and many other groups dedicated to restoring central California wetlands. Lists maps, driving tour info, scheduled guided tours, ways to get inv
- http://www.cosumnes.org/

Sacramento-Yolo County Mosquito and Vector Control District
- Provides surveillance of mosquitoes and other vectors and integrated vector management services. Also promotes cooperation between residents, organizations, and governmental agencies in furthering their efforts.
- http://www.sac-yolomvcd.com/