A new study found California has lost more than half of its coastal sand dunes

Downtown San Francisco is a sea of rainbow this afternoon as thousands are out for the annual pride parade. The historic Napa Valley Opera House has reopened under a new name. California's coast is eroding. A new study by researchers at UC Santa Barbara have found that the state has lost more than half of its coastal sand dunes. All of this and more on this edition of the Bay Area All Local, hosted by KCBS Radio News Anchor Jim Murphy.