The 2,000-mile border joining the U.S. and Mexico is lined with lush jungles, sandy deserts, soaring mountains, and roaring rivers. Wildlife and flora effortlessly cross this boundary every day.
But turn that invisible line into a towering wall of metal and concrete, and those fragile ecosystems will quickly erode, scientists warn.
At least 800 animal species would be adversely affected by President Donald Trump's proposed border wall, said Gerardo Ceballos, an ecology professor at the National Autonomous University of Mexico.
Of those, about 180 species are already in danger of extinction, including the jaguar, pronghorn antelope, bald eagle, and grey wolf, he said. Read more...
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