The book that isn't a tree

The beginning of the introduction is very interesting to me.  It takes a quite bold stance.  I feel like the writers are using scare tactics to get their points about environmentalism.  Listing all the horrifyingly dangerous materials in all our day-to-day products in the home? I would say it is a little strong.  I understand it though.  After watching William McDonough speak I understood the tone.  I really did enjoy the left and right, ying and yang approach to learning the background of each writer.  I was interesting to see how different each story was, and to clearly pick up on the two separate writing styles.  Makes me curious if I will be able to later on throughout the book.