Wow!  What are we going to do?  If it wasn't for an aging population I would say we were totally doomed.  
Of course many texts have been written about a Utopian future where machines fulfill the functions of production, but where does that leave man?
As long as we depend upon a monetary system which only rewards consumption instead of conservation our ability to sustain our way of life may one day disappear, violently.
EDIT - Oops!  Wrong link.  Here's a better one:
https://www.youtube.com/watch?v=HbvCxMfcKv4