San Francisco Airport officials have proposed an airport runway expansion that has a novel tradeoff for environmentalists. In exchange for filling up to 1,400 acres of San Francisco Bay for new runways, the airport proposes to restore 29,000 acres of bay wetlands that are located east and south of the airport.
The proposal, which is to be formally presented at the end of January, is already proving controversial in the environmental community, and is strongly opposed by Cargill Salt, whose land could...