Gillnets are walls of netting that hang in water and trap fish. They are the most widely used fishing device in the world but also often trap sharks, sea turtles and rays who can't escape and die.

Scientists are hoping green light could offer marine animal conservationists a glimmer of hope. A new study found that green LED lights affixed to gillnets—a type of net that hangs like a curtain in ...

Scott Simon talks with Arizona State University researcher Jesse Senko about the benefits of attaching LED lights on vertical fishing nets to make them less dangerous for marine mammals. Gillnets are ...