At the beginning of the year, now former Homeland Security Secretary Kristi Noem unveiled a new type of water buoy barrier set to be installed along the Rio Grande near Brownsville, expected to stretch as much as 500 miles.
Fast forward to today: authorities in Texas have begun installing the cylindrical buoys meant to deter migrants from crossing into the United States, but a report by The Texas Tribune and the nonprofit Inside Climate News notes the barriers are already disrupting the Rio Grande's ecosystem.
