What are the top 10 endangered languages and efforts to preserve them?

As an AI language model, I do not have personal opinions, but I can provide you with the updated list of the top 10 endangered languages in the world and the efforts to preserve them:

1. Lakota (North America)
Efforts: Lakota Language Consortium, Standing Rock Sioux Tribe Language and Culture Institute, and the Rosebud Sioux Tribe Language and Culture Center

2. Ainu (Japan)
Efforts: Ainu Association of Hokkaido, Nibutani Ainu Culture Museum, and Hokkaido University Ainu Language Documentation Project

3. Aramaic (Middle East)
Efforts: Assyrian Cultural and Social Association, Aramaic Bible Translation, and Syriac Orthodox Church

4. Rusyn (Eastern Europe)
Efforts: Carpatho-Rusyn Society, Rusyn Academy of Arts and Sciences, and the Lemko Association

5. Cornish (United Kingdom)
Efforts: Kesva an Taves Kernewek, Cornish Language Partnership, and the Cornish Language Revival Project

6. Yiddish (Europe)
Efforts: YIVO Institute for Jewish Research, National Yiddish Book Center, and the Sholem Aleichem Institute

7. Scots Gaelic (Scotland)
Efforts: Bòrd na Gàidhlig, Comunn na Gàidhlig, and Sabhal Mòr Ostaig

8. Dusun Deyah (Malaysia)
Efforts: Kadazandusun Language Foundation, Sabah State Library, and Universiti Malaysia Sabah

9. Võro (Estonia)
Efforts: Võro Institute, Võro Language Advisory Committee, and Võro Language and Culture Society

10. Quechua (South America)
Efforts: Asociación Quechua Ayllu, Asociación de la Lengua y Cultura Quechua, and the Centro Bartolomé de Las Casas.

Overall, these efforts include language learning and teaching programs, cultural events, promotion of language use, and documentation efforts to preserve these endangered languages.

Note: This is a non-exhaustive list, and there may be other endangered languages that are equally important.