Artificial Reefs: Pratte's Reef: Construction specifications and resources related to Pratte's Reef.
Blue Butterfly: Photograph, description and habitat.
Influence on Santa Monica Bay: Impacts and related links regarding Chevron's oil refinery.
The Glide: Pratte's Reef: Information and links to related sites.
Tree Musketeers: Local chapter of the nation's first youth environmental organization. A nonprofit charity where kids are boss.
U.S. Fish and Wildlife Service: Species profile regarding the endangered El Segundo blue butterfly.