CONTRA COSTA COUNTY, Calif.–(BUSINESS WIRE)–Surrounded by the waters of the Sacramento-San Joaquin Delta, state and local leaders gathered today on Webb Tract to mark the beginning of a 2,800-acre wetland restoration project aimed at giving new life to one of the Delta’s deeply subsided islands. Supported by a $20.9 million grant from The Delta Conservancy, the project on the Metropolitan-owned Webb Tract seeks to help slow subsidence, sequester carbon and create habitat for migratory birds a