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

Driving in the desert parallel to the border east of Douglas ... that Gordon described as “a green wall.” Essential environmental news: Sign up for AZ Climate, the latest from The Arizona ...

Troops stationed along the border ... wall, including in Arizona, where soldiers have been photographed on night patrols near Nogales and in armored Stryker vehicles in the desert around Douglas.