Over the last century, many of the world's languages have disappeared. When a language is lost, part of the world's knowledge and culture is lost. Losing our Linguistic Diversity diminishes our ability to perceive and think about the world in a multi-faceted and rich way. Due to their knowledge and expertise, linguists are at the forefront of the struggle for Linguistic Diversity. All of us, however, have important roles in preserving and enhancing Linguistic Diversity.