Social innovation might just save our planetâs vanishing languages. Today, a staggering 7,000 or so languages are spoken around the globe, yet unfortunately, about half are expected to be extinct by end of this century. The good news is that linguists believe Facebook, YouTube and even texting could save many of the world's endangered languages. North American tribes are using social media to re-engage their young, while Tuvan, an indigenous tongue spoken by nomadic peoples in Siberia and Mongolia, has an iPhone app to teach the pronunciation of words to new students.

The cause for these languages and dialects to disappear is partly due to globalisation and progress. However, Professor K David Harrison, an associate professor of linguistics at Swarthmore College and a National Geographic Fellow sees what he calls the âflipside of social innovation and globalisation.â He says, "Small languages are using social media, YouTube, text messaging and various technologies to expand their voice and expand their presence. We hear a lot about how globalisation exerts negative pressures on small cultures to assimilate. But a positive effect of globalisation is that you can have a language that is spoken by only five or 50 people in one remote location, and now, through digital technology, that language can achieve a global voice and a global audience."

Finding a way forward, Professor Harrison has collaborated with National Geographic to help produce eight talking dictionaries. These social innovation dictionaries contain more than 32,000 word entries in eight endangered languages. All the audio recordings have been made by native speakers, as nothing can replace actual speakers pronouncing a language to others speakers.

Professor Margaret Noori, an expert in Native American studies at the University of Michigan and a speaker of Anishinaabemowin, the sovereign language of over 200 indigenous nations in Canada and the U.S., explains that these communities are big users of Facebook. She explains, "What we do with technology is try to connect people. All of it is to keep the language." Unfortunately, not all languages can survive, and some will be lost as remaining speakers die off. Through social media and social innovation, there is hope.

Everything that we as different civilisations know about life on the earth - its culture, plants, species, or about how to live sustainably and its ecosystems â is knowledge that has been and will continue to be recorded in human cultures and languages. Only a small part of this knowing and information is encoded in scientific literature. So if we really do care about sustainability and survival of the planet, we all benefit from having this âlanguage of knowledgeâ continueÂ and to be passed on to our futures.

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