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

To provide a high-resolution, longitudinal global data set of extreme urban heat events and urban heat exposure.

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

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

To test the feasibility of creating a comparative index of national-level environmental sustainability.

To provide information on the medium and long term plans for China's national economic and social development.