Sea level rise reshaping California beach town and threatening rail line

San Clemente's North Beach is now split and officials have used rocks to shore up a seaside rail line. But residents say the structure is making erosion worse and more sand is needed to nourish the beach.

San Clemente's North Beach is now split and officials have used rocks to shore up a seaside rail line. But residents say the structure is making erosion worse and more sand is needed to nourish the beach.