This video from the New York Times is about a Native American language in danger of extinction and the family that is trying make sure that doesn’t happen.
Here is the related article.
This story reminded me of something that was in the news a couple of weeks ago. Some low-level politician in Hokkaido (the northernmost island of Japan) started a controversy by tweeting comments that the Ainu (the indigenous people of Hokkaido) no longer exist. Here’s one story about it in English (from Asahi): “Sapporo assemblyman criticized for denying the existence of Ainu”. And here’s a Vox Populi, also from Asahi, about the topic.
For further research/discussion, here’s an article titled “25% of World’s Languages Are Threatened”.