Photo by Erick Meza
Walls and barriers have already been constructed across more than 650 miles of the U.S.-Mexico border. These barriers block wildlife migration, cause flooding and damage pristine wild lands, including wildlife refuges, wilderness areas, and national forests. Sierra Club Borderlands advocates for real solutions, such as humane immigration reform with a path to citizenship -- that address the root causes of complex border problems.
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Links for the Borderlands Program
Read About Our Borderlands Program
Film, Photo Exhibit, and StoryMap
Additional Resources
(Experiencing the Borderlands, Factsheets, and The Case Against the Wall)
Help Restore and Protect America's Borderlands
Photo by Erick Meza
Blog Posts for Borderlands
City of Nogales Urges Federal Government to Remove Concertina Wire in City Limits
July 9, 2026
On July 1st, the City of Nogales passed a resolution urging the federal government and the Department of Homeland Security (DHS) to remove all concertina wire within the corporate city limits.
The "NOT-So-Smart Wall": A $46.5 Billion Assault on the Borderlands
October 24, 2025
communities along the U.S.-Mexico border, strongly opposes U.S. Customs and Border Protection's (CBP) newly announced plans to construct a devastating and unnecessary "Smart Wall."
NO more walls in San Diego County!
October 15, 2025
San Diego County communities oppose new Customs and Border Protection (CBP) plans.