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Environmental impact

Treasure Island development, rendering

SF Supervisors Give Initial OK To Treasure Island Development

The San Francisco Board of Supervisors gave initial approval Tuesday to a $1.5 billion plan to transform Treasure Island.

CBS San Francisco–06/07/2011

The Chevron Oil Refinery In Richmond. (AP Photo)

Chevron Looks To Move Ahead On Richmond Refinery Upgrade

Officials at the Chevron refinery in Richmond submitted an application to the city Monday to restart construction on a project to upgrade the refinery.