The design for a section of the border wall that will span Southern Arizona’s San Pedro River is coming to light, more than a year after a contract was awarded to build it. The plan is to build ...

Federal officials rectified an oversight in border wall construction Tuesday after a sharp-eyed wildlife advocate noticed the gates in the wall across the San Pedro River were welded shut.

President Donald Trump recently addressed Mexico's failure to pay the water it owes the U.S. under a decades-old treaty.

A rise in illegal off-highway vehicle activity is damaging ecologically sensitive and culturally significant areas along the ...

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