To provide data on country-level population and downscaled projections based on the SRES A1, B1, and A2 marker scenarios.

To provide a gridded data on country-level population and downscaled projections based on the SRES B2 marker scenario.

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

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

To provide demographic data for the U.S.

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

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

To provide street intersection data for each county in the U.S.

To provide migration data at the county and state levels for the U.S.

To provide an authoritative boundary layer for the geographies associated with the Public Use Micro Sample (PUMS) data files.

To provide county and state boundary data for the U.S.

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

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

To provide an urban place GIS coverage of Mexico.

To provide geographically referenced population data for Mexico for conducting assessments of human interactions with the environment.

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

To provide time-series population data for Mexico for conducting assessments of human interactions with the environment.

To provide raster based GIS coverage of Mexican population for data integration.

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 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.