The Afterlife of Cheap Clothes
I haven't done any further research on this so I don't know all the facts, but found the article above, recommended by Jen Hatmaker, very interesting.
It essentially drives home the point that the majority of us are consuming at an unsustainable rate.
The response is to simply do something about it. This is where I get caught up sometimes. I can sketch out what to do all day long, but my feet, and my budget, really do the talking.