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

To provide a geographically explicit and reliable database of dams for the scientific community.

To provide a geographically explicit and reliable database of reservoirs for the scientific community.

To assist in the country selection process for the Millennium Challenge Corporation by providing indicators of natural resource protection and child health that complement the governance, social, and economic indicators used by MCC as country selection criteria.

To provide a time series of raster population data for ntegration with other data sets.

To provide a raster representation of urban areas (or urban mask) for use with GRUMP population grids or other data sets.

To provide land area data for use with GRUMPv1 population and urban data as well as a quantitative measure of resolution of the input spatial units for GRUMPv1.

To provide a time series of raster population density data for data integration.

To permit cartographic display of countries and territories that exactly match the GRUMPv1 population surfaces

To provide populated place (point) data with consistent population estimates.

To permit cartographic display of coastlines that exactly match the GRUMPv1 population surfaces.

To permit the summation of population values by country/territory and, in combination with other data layers, the summation of population values by irregular areas represented in the other data layers and country/territory.

To provide data on the extent of croplands for research on human-environment interactions.

To provide data on the extent of pasturelands for research on human-environment interactions.

To provide the ATSDR polygon data set of hazardous waste sites in the United States, Puerto Rico, and other territories which can be used to identify nearby populations and assess their potential risk.

To assist in the country selection process for the Millennium Challenge Account by providing indicators of natural resource management that complement the governance, social, and economic indicators.

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

To provide a gridded version of existing SeaWiFS data in GIS-compatible formats in order to determine concentrations of chlorophyll-a in the coastal water column and to facilitate the integration with other data.

To provide tabular data on the trends of chlorophyll-a concentration on a pixel by pixel basis for identifying areas with improving, declining, and stable coastal water quality that can provide guidance for decision making in the context of coastal management.

To provide documentation on roads data sets that are potential candidates for inclusion in the Global Roads Open Access Data Set (gROADS), and which may be useful to others searching for data on road infrastructure.