That ought to do it...

How To Talk To A Young Person About Global Warming

Some teenagers think they are very concerned about global warming. It is important to be sensitive and not hurt their feelings. I usually start with:



I have been hearing this same bull$hit since your mother was in diapers, and before that it was some totally different bull$hit.

Link:
http://www.real-science.com/uncategorized/talk-young-person-global-warming