This documentary on National Geographic proposes us to solve "The mystery of the missing garbage".
Good luck!
CLICK ON THE PHOTO OF THE BEAR TO SEE THE VIDEO

Create your own video slideshow at animoto.com.
I have inserted a Tv commercial from You Tube to work the different types of TV programmes. After a short activity refreshing the names of Tv programmes, students can listen to the ad and try to guess what categories appear in it.