You’ve read all of your free items this month. To register, get added benefits and unlimited access to articles, Become a Member. Already a Member? Sign in. Advertising Age Article Abstract Timberland 'Walks the Walk' Shoemaker Revamps Manufacturing Process, Increases Use of Sustainable Materials and Promotes Global Servapalooza Volunteering By Mya Frazier, Published on June 08, 2007 0 Want more Access, Content & Connections? Upgrade to Membership. We are glad you are enjoying Advertising Age. To get uninterrupted access and additional benefits, become a member today. Become a Member Already a member? Log in.