AN EXPLORATION OF CHANGES IN THE INTERNATIONAL SUSTAINABILITY INDEX

Background and Objectives: Indicators of sustainability as an efficient tool to help decision-makers and policy-makers to make better decisions and work more effectively towards sustainable development, so far, efforts at the global level and national level to develop appropriate sustainability, comprehensive and effective indicators carried out and this process has not stopped yet and will continue. September 2015 coincided with the adoption of sustainable development goals SDGs that will replace the Millennium Development Goals MDGs. Sustainable Development Goals offer exhaustive set of Goals and targets which will be also includes comprehensive indicators. Method of study: This study is an overview of the most important sustainability indicators from past up to present (including CSD, MDGs, EPI& SDGs), and it pointed out paying attention to the importance of sustainability indicators and use them correctly by the decision makers. Results: In this study the formation and changes of some set of sustainability indicators mentioned in details and the concept of the rank and score of environmental performance indicators discussed and