waterways

Pollution on the New River between the United States and Mexico

New River (Spanish: Río Nuevo), which flows between Calexico, US, and Mexicali, Mexico, is known as the most polluted waterway in North America; the pollution is responsible for a number of health, environmental, and political problems.

Regions: 

H2Omx

This film examines how Mexico City—home to 22 million people—is trying to become water sustainable.