1. Waste & Packaginghttps://www.unilever.com/sustainable-living/the-sustainable-living-plan/reducing-environmental-impact/waste-and-packaging/
2. Sustainable Packaginghttp://www.coca-colacompany.com/learn-more-about-sustainable-packaging/
3. Wal-Mart Unveils “Packaging Scorecard” to Suppliershttp://corporate.walmart.com/_news_/news-archive/2006/11/01/wal-mart-unveils-packaging-scorecard-to-suppliers