To provide back-cast population density estimates at 30 arc-second (~1 km) resolution.

To provide gridded demographic data, including characteristics of age, race, ethnicity, and housing, for the United States and Puerto Rico for data integration.

To provide data that can be used in land cover and land use change (LCLUC) studies, agricultural applications, and to assist with policy-making in regards to sustainable agricultural intensification.

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

To assess likely future areas of urban expansion up to the year 2030.

To provide global gridded Gross Domestic Product (GDP) data in both Market Exchange Rate (MER) and Purchasing Power Parity (PPP) to be used for socioeconomic, environmental, climate, and other related research.

To provide estimates of net-migration (in-migration minus out-migration) per one-kilometer grid cell on a decadal basis for the 1970s, 1980s, and 1990s.

To provide information on the number of amphibian species present at a one-kilometer spatial resolution which can be used in modeling efforts, wildlife conservation planning, natural resource management, policy-making, biodiversity studies and human-environment interactions.

To provide information on the number of mammal species present at a one-kilometer spatial resolution which can be used in modeling efforts, wildlife conservation planning, natural resource management, policy-making, biodiversity studies and human-environment interactions.

To provide information on anthropogenic transformation of the biosphere circa 1700 for global land use studies and research on human-environment interactions.

To provide information on anthropogenic transformation of the biosphere circa 1800 for global land use studies and research on human-environment interactions.

To provide information on anthropogenic transformation of the biosphere circa 2000 for global land use studies and research on human-environment interactions.

To provide information on anthropogenic transformation of the biosphere circa 1900 for global land use studies and research on human-environment interactions.

To provide gridded demographic data, including characteristics of income, education, and housing, for metropolitan statistical areas at a finer resolution than is available in the 30 arc-second grids used for the United States as a whole.

To provide gridded demographic data, including characteristics of income, education, and housing, for the United States for data integration.

To provide gridded demographic data, including characteristics of age, race, ethnicity, and housing, for metropolitan statistical areas at a finer resolution than is available in the 30 arc-second grids used for the United States as a whole.

To provide gridded demographic data, including characteristics of age, race, ethnicity, and housing, for the United States.

To provide phosphorus in manure production data that can be used in socioeconomic and ecological modeling and to explore anthropogenic activities on ecosystems.