Local agency that regulates sources of air pollution in the county.

A nonprofit land conservancy dedicated to preserving and enhancing natural, scenic, and cultural areas, working farmland, and watersheds in San Diego's back country. Includes events, project information, FAQs, and newsletter.

Dedicated to the preservation, enhancement and protection of Batiquitos Lagoon through educational programs. Includes events calendar, visitor information, activities, and membership details.

Offers list of birding hot spots, bird search, as well as listings, photos, and descriptions of a variety of birds that inhabit the area.

Offers current air quality and forecasts, fact sheets, business compliance programs, and asbestos information.

An incorporated citizen's group advocating the preservation of land within the San Dieguito River Valley system. Includes lagoon history and restoration reports as well as links to reference documents and related sites.

Works to conserve and restore natural ecosystems, focusing on birds and other wildlife. Includes news, field trip information, conservation efforts and membership details.

Dedicated to fisheries restoration, habitat enhancement, water quality, education, and resource management. Includes issues listing, educational information, and project details.

Works to help people protect, conserve and restore natural resources through education, information, and technical assistance programs. Includes mission statement, staff and directors listing, as well as project and education information.

Works to protect the area's bays, beaches, watersheds and ocean through community outreach, education, and advocacy. Includes "State of the Coast" report, events, action items, and membership information.

Supports the network of resource conservancies involved in the preservation and stewardship of the natural and cultural resources of the San Diego region and promotes public understanding of conservation issues. Includes member directory, volunteer information, network map, and related links.

Land conservancy offers conservancy information, links to regional land conservancies, as well as links to related state agencies.

Offers map of area refuges, project photos, student education programs, and volunteer opportunities.

Movement seeks to strengthen the local food trade and create a sustainable urban-rural partnership.

Promotes the preservation of wildlife habitat in San Diego County through citizen-based wildlife monitoring combined with environmental education programs. Offers training programs, calendar of events, as well as research programs and results.

Responsible for creating a natural open space park in the San Dieguito River Valley, extending from the ocean at Del Mar to Volcan Mountain, just north of Julian. Includes activity information, resources, articles, and related links.

Non-profit organization helping to implement the vision of the San Dieguito River Park and its Coast-to-Crest trail. Offers a variety of maps, conservancy information, accomplishments, and projects.

Offers project information, meeting calendar, and reports, plans, and strategies in PDF format.

Offers training programs, calendar of events, volunteer information and opportunities, and research, restoration, and monitoring details.

Committed to the maintenance of the mountain's natural habitat and protection of native plant, this site includes history, photos and descriptions of the area, goals and accomplishments, hiking information, and related links.