San Clemente's North Beach is 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.

For years, residents of this Southern California beach town could walk a mile along a stretch of cream-colored sand and dip their toes in the waves lapping ashore.

The beach in this small Southern California community has been shrinking due to rising ocean waters.