A humane backyard is a safe haven for wildlife—a space where animals can thrive free from pesticides, trapping and other threats.

On a longline fishing boat off the Galapagos Islands, a concerned biologist working undercover as a cook films a horrifying scene. As the camera rolls, a blue shark is dragged upside down out of the water, a sharp hook piercing it through the roof of the mouth and out through the side of the face...