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

To provide attribute and boundary data for Mexico for conducting assessments of human interactions with the environment.

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

To identify remaining natural vegetation types in Central America.

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

To provide information on China's population and agricultural economy from the 1990 census, and geocoded 1990 China county boundary GIS data at 1:1M.

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

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

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

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

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

To provide county-level social information of China in a series of tables from the China Provincial Economic Yearbook data for 1990 and 1991.

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

To provide fundamental GIS maps of China, and neighboring countries and regions.

To provide information of geographical locations, areas, administrative division codes, and names for the administrative regions of China.