Bookshelf: Bob Schildgen, “Hey Mr. Green” Continue Reading Bookshelf: Bob Schildgen, “Hey Mr. Green” Jeff Giles December 19, 2008 1 Min Read Bob Schildgen – Hey Mr. Green: Sierra Magazine’s Answer Guy Tackles Your Toughest Green Living Questions (2008, Sierra Club/Counterpoint) purchase this book (Amazon) Which is worse — paper or plastic?… Books, Bookshelf