To provide an annual global surface of concentrations (micrograms per cubic meter) of mineral dust and sea-salt filtered fine particulate matter of 2.5 micrometers or smaller (PM2.5) in countries and urban areas for large-scale health and environmental research

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

To provide a polygon representation of urban areas with city or agglomeration name and time series population estimates.

To provide roads linking rural production to urban markets in the coastal zone of West Africa that represent an important exposed infrastructure asset.

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

To provide a global data set of average summer daytime maximum/nighttime minimum land surface temperatures (LSTs) for urban extents, as well as the LST difference between the urban area and the buffer.

To provide urban land use and informal settlements for the years 1982, 1992, 1998, and 2002 in Dar es Salaam, Tanzania.

To provide an easily accessible, corrected data set of polygons for hazardous waste sites in the United States which can be used to identify nearby populations and assess their potential risk.

To provide an open access, well documented global data set of roads between settlements using a consistent data model (UNSDI-T v.2) which is, to the extent possible, topologically integrated.

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 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 preserve access to the original ecosystems data used by the Millennium Ecosystem Assessment (MA) and other related research.

To preserve access to the original rapid land cover change data used by the Millennium Ecosystem Assessment (MA) and other related research.