Many processes in economy are cyclical in nature. It seems that both dematerialization and rematerialization at economy level cycle. I think the best way to achieve serious reduction in environmental impact is by moving with determination to service based economy where new ways to organize are used as substitutes to production.
http://minimrf.blogspot.com/2011/05/going-green-at-work.html
The greenest thing often is the thing that does not even exist.
