Postcard from California: Idle oil wells threaten health, climate and will cost billions to plug

By Bill Walker

Last June, at commencement ceremonies in the small, heavily Latino town of Arvin, Calif., proud graduates threw their caps in the air. But those gathered at the Arvin High School football field didn’t know there was something else in the air: potentially explosive levels of noxious methane gas leaking from an idle oil well only 400 feet away.

More