David Harrison, the linguists

http://www.poptech.org/popcasts/?viewcastid=245

動画の埋め込み方がどうしてもわからないのでただのリンクです。

K. David Harrison discusses how language death leads to intellectual impoverishment in all fields of science and culture. Watch as he details efforts to sustain, value and revitalize linguistic diversity worldwide.

...and the movie he did, titled "The Linguists." Available in its entirety from the following link:

http://www.babelgum.com/html/clip.php?clipId=3016880

If you are too busy for the whole film just see the trailer here: