A study of plastic bottles washed up on the Pacific coast of Latin America has identified a double problem—a mass of local waste combined with long-traveling bottles from Asia.

Costal communities and beaches in Guatemala, El Salvador, Nicaragua, Costa Rica and Panama had the highest levels of contamination from plastics in the ocian.

A study of plastic bottles washed up on the Pacific coast of Latin America has identified a double problem—a mass of local waste combined with long-traveling bottles from Asia.