The first Trump administration built long segments of steel wall on Arizona's border. Conservationists fear wildlife will suffer if work resumes.

A panel critiqued Laredo's plan for border wall construction, highlighting threats to the Rio Grande's habitat and advocating ...

Spared in the first Trump administration, Arizona's wildlife-rich San Rafael Valley is now targeted for border wall construction.

Borderlands environmental groups have generally argued that the president’s fixation on a wall is misguided, and say surveillance technology already on the ground, in the air and on Border ...

Conservationists are speaking up following the Trump administration’s plan to extend the border wall nearly 25 miles in ...