To protect the movement of wildlife impeded by busy roadways, a series of manmade overpasses and underpasses throughout the United States helps animals big and small safely get across the street, preventing collisions and saving lives. About 1,500 of these structures already have been built. Correspondent Conor Knighton looks at how they have protected genetic... The post CBS News: How wildlife crossings protect both animals and people appeared first on Save LA Cougars.
