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 Green Past Doesn't Satisfy HP Tech Giant Has Had Recycling Program Since '80s but Strengthens Its 'Healthy Planet' Vision By Beth Snyder Bulik, 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.