Southern California surfers know to stay out of the ocean after a heavy rain storm because the runoff that flows from city streets to the beach carries a nasty, polluted brew. Today, Los Angeles County supervisors take up a proposal to address the problem, which could be funded by a new parcel tax.
A growing body of research -- including a recent study from UCLA -- links Parkinson's disease with a number of pesticides commonly used on California farms. Reporter: Sasha Khokha
End Music: "Black Mud" by The Black Keys from the CD Brothers (Nonesuch).