A few weeks ago I wrote about adopting a greener lifestyle by making small shifts in my behaviors for the biggest impact. For my first new attempt, I decided to try something that I had already had some success with in the past — expanding on a successful new habit instead of trying to break new ground. My goal was to say goodbye to bottled water in favor of drinking tap water filtered by the PUR Water Filtration System . Since joining Weight Watchers last year, I have been following