“International science-based framework for understanding sustainability. Within TNS an organization can combine specific tools, technologies, environmental management strategies, and systems (such as ISO 14001) in a unified way that promotes their own and the planet’s sustainability. US organizations currently applying or exploring the TNS framework include Hewlett-Packard, Starbuck’s, Nike, Home Dept, Bank of America, Interface, Inc., Collins Pine, IKEA, and McDonald’s.”
Natural Step Framework Guidebook- A longer description of the Natural Step framework. (English, PDF)
- The Natural Step Framework
- Outline of TNS system (English, PDF)
The Natural Step Framework (TI?NG VI?T)- Outline of TNS system. (Vietnamese, Word Doc)