Researchers used novel approach with historic film to discover just how endangered Kemp’s ridley sea turtles are. Kemp's ridley turtles are currently classified as critically endangered on the IUCN's Red List of Threatened Species. The species was on the brink of extinction in the 1980s, but a Mexico-U.S. bi-national conservation program initiated in 1978 was able to reverse its decline. Continue Reading... Use this thread to discuss the article above. What are your thoughts about World's most endangered sea turtle species in even more trouble than we thought?