A border wall has no place through the heart of our region.

Use the resources on this page to learn more about the U.S.-Mexico border wall and our corresponding conservation projects, advocate for the protection of our wild borderlands, and share the restoration priority areas that dozens of local and national conservation nonprofits are currently recommending.



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Articles and Research

Stopping the Border Wall: Criteria and Priority Areas for Conservation and Restoration [2021]

Global Inequities and Political Borders Challenge Nature Conservation under Climate Change [2020]

Nature Divided, Scientists United: US–Mexico Border Wall Threatens Biodiversity and Binational Conservation [2018]

A Wall in the Wild [2017]

Potential Effects of the United States-Mexico Border Fence on Wildlife [2010]

In the News

The Independent: The destructive legacy of Trump’s border wall [October 2021]

Arizona Republic: Trump’s border wall scarred sacred lands, displaced wildlife and drained water. Can it be taken down? [April 2021]

Milenio TV: El Muro | Especiales Milenio [March 2021]

Voice of America: Threats to Wildlife Persist Even as US Halts Border Wall Construction [March 2021]

El Heraldo de México: ¡Adiós al MURO FRONTERIZO! Activistas quieren derribar el “orgullo” de Donald Trump [March 2021] 

Arizona Daily Star: Wildlife, rights coalition asks Biden to remove miles of Arizona’s border wall  [March 2021] 

Scientific American: Some Ecological Damage from Trump’s Rushed Border Wall Could Be Repaired [January 2021] 

You can find dozens more media stories in our Newsroom.

Interactive Maps

Wildlands Network: “The Border Wall in Arizona and New Mexico – July 2021” [July 7, 2021] 

455 miles of border wall were built between the US & Mexico between 2017 and 2021. The environmental damage is severe.

Border Wall Construction Activity Log [January – February 2021] 

This interactive map displays observations and media submitted by users in any state impacted by border wall construction. Click on an individual point to see a pop-up window with a time stamp, description of activity, associated photos, and links to news stories/media.

Embattled Borderlands [March 2017]

Tour the natural and cultural richness of the U.S.-Mexico borderlands in this story map created by award winning photographer and writer Krista Schlyer. Krista collaborated with researchers, filmmakers, photographers, and conservation organizations to paint a vivid portrait of the borderlands region and the threats posed by the proposed border wall expansion.

Art & Photos

Gallery: Keep the Borderlands Wild [Ongoing] 

View art from artists from across the Sky Island region that bear witness to the borderlands. May these depictions of the borderlands—and the wildlife that depend on them—help you rewild, reconnect to, and rediscover this region’s incredible landscapes, mountain ranges, and habitats.

Video Gallery