One site disturbed by the construction, which is taking place in a UNESCO ecological preserve, is a resting place for Apache warriors. Blasting operations for construction of President Trump’s border wall in Arizona have begun to disrupt a UNESCO ecological preserve that encompasses Native American ancestral lands and burial grounds....

No wall lasts forever. On Jan. 29, part of President Trump’s new border wall wavered toward collapse under the force of strong winds whipping through the twin cities of Calexico and Mexicali. An 80-foot segment lurched into Mexican territory, and only a tangle of netting kept it from collapsing onto...

During the presidential campaign, “Build the Wall,” was a repeated refrain that got applause from Trump’s supporters. Trump mobilized his base with falsehoods about our southwestern borderlands being a lawless region even though FBI and local law enforcement statistics clearly showed that we have less violent crime than most America’s...

Since 1994, the Malpai Borderlands Group, a coalition of ranchers, has worked to steward approximately 800,000 acres of rangeland in southern Arizona and New Mexico. The group started with the idea that if its members — ranchers from multiple generations who worked the land — could come together to manage...

Imagine dedicating your entire life to protecting a place. Then imagine watching everything you’ve worked to protect be bulldozed by a desperate, self-serving president. That’s what’s happening right now to career scientists and conservationists at Organ Pipe Cactus National Monument on Arizona’s border with Mexico.