More than half of the world’s turtle species are endangered or threatened, and overhunting of wild species is a major cause.

Environmental DNA provides a wealth of information for conservationists, archaeologists and forensic scientists. But the unintentional pickup of human genetic information raises ethical questions.

Pam Longobardi collects and documents ocean plastic waste and transforms it into public art and photography. Her work makes statements about consumption, globalism and conservation.

To fish the oceans sustainably, nations must reduce bycatch, or accidental catches. But fishermen often resist changing gear or techniques that kill nontargeted species.

Standard marine protected areas with fixed boundaries can’t effectively shelter these ocean nomads.

Scientists don’t know what prompts turtle hatchlings to emerge from their nests and head for the water, but vibrations appear to play a role.

Sea turtles of Aldabra were almost hunted to extinction. But thanks to years of protection the much-loved animals are now thriving again - and so is the iconic giant tortoise.

For the endangered Kemp's ridley sea turtle, every individual matters. A team of veterinarians and biologists has formed a network along the Gulf Coast to save injured sea turtles and the species.