Screen shot of the Global Coalition for Language Rights website. While over7,000 languages are spoken worldwide, about half are under threat of extinction or severely endangered, as power relations among languages are far from equal. Many languages require their users to actively work to pass it on to the next generation, the only guarantee they can survive in the future. To highlight some of those preservation and revitalization initiatives, Global Voices talked to Gerald Roche, an Associate Professor of Politics at La Trobe University in Australia, who is not only a Tibet expert, but also an…