The central component of this research initiative is the creation of a composite index of environmentally sustainable consumption called the Greendex. The Greendex will be used over time to monitor and report changes in consumer behavior by replicating the research annually.

This is the second year National Geographic has partnered with GlobeScan to develop an international research approach to measure and monitor consumer progress towards environmentally sustainable consumption. The key objectives of this unprecedented consumer tracking survey are to provide regular quantitative measures of consumer behavior and to promote sustainable consumption. This research project differs from other environmental surveys in that it goes beyond attitudes and concerns to focus on actual behavior and material lifestyles across 17 countries. This includes measures such as household footprint, energy use, transportation habits, food consumption, and the relative penetration of green products versus traditional products. The central component of this research initiative is the creation of a composite index of environmentally sustainable consumption called the Greendex. The Greendex will be used over time to monitor and report changes in consumer behavior by replicating the research annually.
http://www.nationalgeographic.co.in/greendex/assets/GS_NGS_Full_Report_M...