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

To provide an assessment of potential climate change impacts on world crop production.

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

To provide tabular data on environmental conditions (elevations, climate, coastal) in which people reside.

To provide estimates of urban and rural populations and land areas in the low elevation coastal zone.

To provide geographical portraits of vulnerability designed to incorporate both exposure to climate change and national capacities to adapt.

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

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

To provide data that address the key issues of sustainability by combining indicators of human wellbeing with those of environmental sustainability to generate a more comprehensive picture of the state of the world.