The San Gabriel and Lower Los Angeles Rivers and Mountains Conservancy (RMC) was created by the California legislature in 1999. We're one of ten conservancies within the California Resources Agency. Our mission is to preserve open space and habitat in order to provide for low-impact recreation and educational uses, wildlife habitat restoration and protection, and watershed improvements within our jurisdiction.

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Gateway Cities COG Air Quality Action Plan

Due in part to the heavy concentration of goods movement and industry in and around the Gateway Cities, the sub?region has historically experienced the adverse impacts of air pollution. Learn More