ICTlogy

http://environment.nationalgeographic.com/environment/greendex/

Greendex: Survey of Sustainable Consumption.

The National Geographic/GlobeScan "Consumer Greendex" [is] a scientifically derived sustainable consumption index of actual consumer behavior and material lifestyles across 17 countries. We will continue to track the Greendex over time, including comparability across the selection of countries representing both the developed and developing world.