Seeing as it is Earth Day I felt it was only proper that I acknowledged it on my sustainable construction blog.  To be honest, I never thought of myself as a tree hugger and, in fact, the recycling bin at my home doesn’t get used as much as it should.  I also must confess the first thing I did this morning was buy a coffee from Dunkin Donuts that was served in a Styrofoam cup which I eventually contributed to the Philadelphia municipal waste.  While I usually take my own “eco-friendly tra...