Half of the turtle species on Earth are threatened with extinction. On World Turtle Day, let's recognize these special animals and the vital role they play in our planet's ecosystems. | National Geographic

In May, the conservation community took a historic step to save the Yangtze Giant Softshell Turtle from extinction. The last known female of the species was artificially inseminated after years of laying clutch after clutch of infertile eggs. As the conservation community holds its collective breath, the extinction clock is ticking. http://bit.ly/1dx2qRB | Turtle Survival Alliance

Of the 350 living types of turtles, tortoises, and terrapins,more than half are threatened with extinction. For a growing number of species, Turtle Survival Alliance provides their last chance for survival through science-based conservation initiatives. This #WorldWildlifeDay, we celebrate the diversity of turtles, tortoises and terrapins, and their essential role in thriving ecosystems. It’s why we work to protect and restore wild populations of tortoises and freshwater turtles through scientif