Environmental stewardship is a hallmark of operations at San Diego International Airport (SDIA), which is operated by the San Diego County Regional Airport Authority. In fact, the Airport Authority instituted one of the first sustainability policies for a major airport in the U.S. This formalized the Airport Authority’s commitment to an environmentally sustainable future for the airport and the region. - See more at: http://www.san.org/Airport-Projects/Environmental-Affairs#sthash.eR8oeLu0.dpuf