California Air Resources Board "The California Air Resources Board mission is to promote and protect public health, welfare and ecological resources through the effective and efficient reduction of air pollutants while recognizing and considering the effects on the economy of the state."
California Department of Water Resources This is the place for water, including links to other water sites.
South Coast Air Quality Management District (South Coast AQMD) The South Coast AQMD is the smog control agency for all or portions of Los Angeles, Orange, Riverside and San Bernardino Counties, California. The site includes plans, studies, rules and regulations, smog levels and more.
CalEPA National Environmental Exchange Network (NEIEN) represents a partnership among states, tribes, and the U.S. Environmental Protection Agency to revolutionize the exchange of environmental information.
Natural Resource Projects Inventory "A Collaborative Effort between the California Biodiversity Council and the University of California at Davis Information Center for the Environment . The signatories of the California Biodiversity Council joined forces to gather information on thousands of conservation, mitigation and restoration projects being developed and implemented throughout California. The result, the Natural Resource Project Inventory (NRPI), has become a comprehensive electronic database searchable on the Internet. NRPI is an expansion of previous inventories including the CALWEED DATABASE California Noxious Weed Control Projects Inventory."