Manufactured goods flow freely across the border. Pollution does, too
Mexicali's maquiladoras churn out products from lamps to roofing materials. The goods roll away on trucks, while the pollution is left behind.
Ramon Padilla, Karl Gelles and Veronica Bravo, Paste BN, Map data: Google, Landsat/Copernicus, SIO, NOAA, U.S. Navay, NGA, GEBCO, IBCAO, U.S. Geological Survey, LDEO-Columbia, NSF, DigitalGlobe