Indigenous communities contain sophisticated knowledge about the plants surrounding them and the functions that those plants serve. This could include information about chewing a root for indigestion or using berries for chest congestion. This information has been passed down orally from generation to generation, and if indigenous languages die out, so does the knowledge different tribes have acquired over time. Learn more https://en.unesco.org/news/unesco-launches-global-task-force-making-decade-action-indigenous-languages