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

To provide data to gauge broad similarities and differences of national progress on sustainability of countries, over time and relative to other nations.

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

To provide information on the status of country participation in international environmental agreements.

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

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.

To provide the projections of anthropogenic emissions of gases that have the potential to affect climate change.

To provide gridded emissions data that can be used in interdisciplinary studies of the environment.

To provide fluor-gases emissions data that can be used in interdisciplinary studies of the environment.

To provide new emissions scenarios for the IPCC Assessment Reports.

To provide an assessment of potential climate change impacts on world crop production, including quantitative estimates of yield changes of major food.

To provide a baseline dataset for the evaluation of climate change impact.

To provide a database of public China maps, searchable by location, scale, content, publisher, and publication date.

To provide descriptive information on health care institutions in China between 1950 and 1985.

To provide a dynamic matrix for the identification of spatially and temporally-specific data on Chinese administrative units.

To provide a database of works pertaining to the administrative geography of China, searchable by location, time, and subject matter.

To provide historical agricultural statistics of the People's Republic of China for 1949-1990 at the provincial and national levels.

To provide demographic data for the U.S.

To provide access to demographic data for the U.S.

To provide population and housing data for the U.S.