To assist in the country selection process for the Millennium Challenge Account by providing indicators of natural resource management that complement the governance, social, and economic indicators.

To provide quantitative metrics for evaluating a country's environmental performance in different policy categories relative to clearly defined targets.

To provide documentation on roads data sets that are potential candidates for inclusion in the Global Roads Open Access Data Set (gROADS), and which may be useful to others searching for data on road infrastructure.

To provide quantitative metrics for evaluating a country's environmental performance in different policy categories relative to clearly defined targets.

To provide quantitative metrics for evaluating a country's environmental performance in different policy categories relative to clearly defined targets.

To make the acquisition, comparison and analysis of sustainability indicators easier by compiling them in a single database, incorporating multiple country codes, and condensing the indicator descriptions into short methodological summaries in an accompanying data dictionary.

To create a comparative index of national-level environmental sustainability and to provide a mechanism for making environmental management more quantitative, empirically grounded and systematic.

To provide tabular data on human appropriation of net primary productivity by country.

To provide a comparative index of national-level environmental sustainability covering a number of sustainability dimensions.

To provide a comparative index of national-level environmental sustainability based on lessons learned from the year 2000 pilot effort.