http://www.youtube.com/watch?v=jqxENMKaeCU
Watch the film and be ready to talk about it, the environment, recycling, etc.
More information.
Offical website --- http://www.home-2009.com/us/index.html
http://en.wikipedia.org/wiki/Home_%282009_film%29
In this image-filled talk, Yann Arthus-Bertrand displays his three most recent projects on humanity and our habitat -- stunning aerial photographs in his series "The Earth From Above," personal interviews from around the globe featured in his web project "6 billion Others," and his soon-to-be-released movie, "Home," which documents human impact on the environment through breathtaking video.