Add Yahoo as a preferred source to see more of our stories on Google. At the U.S.-Mexico border wall in August, a yellow-billed cuckoo sat perched in a giant cottonwood tree on the Arizona side as ...

Environmental activists camping in ancient trees halt border wall construction. For us, hope is not lost because the land will regenerate. An activist had already been living in the upper branches of ...

A group of trees believed to be more than 100 years old was felled July 27 at the U.S.-Mexico border to make way for President Donald Trump’s border wall, local activists said. The three cottonwood ...