What defines the U.S.-Mexico Border?
The border’s length is approximately 2,000 miles, and there are 14 metropolitan areas on both sides, with 4 states on the U.S. side and 6 states on the Mexican side. The states on the U.S. include Texas, New Mexico, Arizona and California. The states on the Mexican side include Tamaulipas, Nuevo Leon, Coahuila, Chihuahua, Sonora and Baja California. There are nearly 14 million people that call this region home. Typically, the width of the U.S. Mexico border as defined by the La Paz Agreement is 100 kilometers (62.5 miles) into U.S. territory and 100 kilometers (62.5 miles) into Mexican territory. What are some of the specific environmental problems affecting this region? According to EPA, the following are the greatest environmental challenges facing the municipalities in the U.S. Mexico border: • Adequate and Clean Water Supply Water is the most limited resource in this primarily arid region. Surface and groundwater resources are threatened by contamination, including agricultural run
