Formed to protect the public from the harmful effects of air pollution. Includes mission statement, related links, and contact information.

Seeks to preserve land in the back country area. Includes project details, mission statement, membership form, and contact information.

A program designed to strengthen U.S. beach water protection programs and water quality standards, better inform the public and promote scientific research.

Photos, sounds, and descriptions of local birds, descriptions of popular bird-watching spots, bird lifecycle information, bird search, and guestbook.

An index to environmental information for the county. Extensive reference includes road, weather, and flood conditions, demographics, historical resources, and maps.

Map from the USGS showing recent Earth shakings in the San Diego area.

Technical, financial and educational assistance to help both rural and urban communities conserve, protect, and restore natural resources. Contains resource listings, district description and information, related links and contact information.

Non-profit group acting to preserve wetlands and floodplains. Information about current concerns.

Serves as a testbed for developing enabling technologies for computational ecology, as well as providing a suite of model simulation capabilities for the bay. Includes bay models and applications, San Diego Bay Bibliography search, history of the bay, and information about the Interagency Water Quality Panel.

Dedicated to the principal that protecting California's precious coastal waters is the job of every citizen. Includes program listing, membership information, calendar of events, and listing of current cases in litigation.

The Conservancy promotes public/private partnerships and environmental education. Features a map with links to conservancies in San Diego County.

Non-profit organization devoted to stewardship of the region's marine environment. News, articles, and programs, including Project Yukon.

Covers regional water quality and rights regulation, board meetings, laws, funding, watershed management, enforcement, citizen involvement, news and education.

Conducts wildlife monitoring and research, and offers outdoor and environmental education programs. Events, projects, and profiles of team members.

Resource of links to oceanic data, including waves, water, weather, tides, surf cams, and maps. Provided by the director of Scripps Institution of Oceanography Library.

Information about natural open space park planned for the San Dieguito River Valley. The park will someday extend from the ocean at Del Mar to Volcan Mountain, just north of Julian.

Current projects, committee information and contacts, and related publications (PDF format).

Serves both San Diego and Imperial Counties. Events calendar, environmental issues, newsletters, and groups.

Includes mission, project descriptions, news, events, resource links, and contact information.

Conservation and restoration of the area's natural ecosystems. Includes mission statement, programs and events listings, field trips, conservation notes, and contact information.

Includes history of the mountain, photos and descriptions of various areas, accomplishments and "to do" lists, and donation information.