Acuerdo climático US-China

Dear everybody, 

Here a video related to the words which were said by one of your colleagues during the class. It summarizes the whole thing:

https://www.youtube.com/watch?v=OC3ym2YyPIM&list=UUgRvm1yLFoaQKhmaTqXk9SA

Enjoy it.

PS. It is not a homework.