"Every 14 days a language dies. By 2100, more than half of the more than 7,000 languages spoken on Earth ... will likely disappear." This goal of this project "is to document endangered languages and prevent language extinction." Features background about selected endangered-language hot spots around the world (with some sound clips), a discussion of global trends, descriptions of expeditions, and a glossary. From National Geographic and the Living Tongues Institute for Endangered Languages.