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 market accessibility in the coastal zone of West Africa.

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

To provide high spatial resolution estimates of global urban extent derived from global 30m Landsat satellite data for the target year 2010 and a companion dataset to the Global Man-made Impervious Surface (GMIS) dataset.

To provide high spatial resolution estimates of global man-made imperviousness for the target year 2010, derived from global 30m Landsat satellite data and a companion dataset to the Global Human Built-up And Settlement Extent (HBASE) dataset.

To provide an easily accessible, corrected EPA data set of the geo-referenced locations displayed as points for all the National Priorities List (NPL) Superfund sites in the United States, Puerto Rico, and other territories.

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 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 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 raster representations of global summer daytime maximum and nighttime minimum surface temperature for studies related to human health and climate change.

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 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.

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

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

To provide maps of the input administrative units used in GPWv3.

To provide a raster representation of nation-states in GPWv3 for use in aggregating population data.

To provide a quantitative measure of the input resolution of administrative units used for GPWv3.

To provide a quantitative measure of the input resolution of administrative units used for GPWv3.

To provide a set of coastlines consistent with GPWv3 raster data for cartographic purposes.

To provide a vector (point) version of the input administrative units used in GPWv3 for use in data integration.