The U.S. Geological Survey provides the Nation with reliable, impartial information to describe and understand the Earth. This information is used to: minimize loss of life and property from natural disasters; manage water, biological, energy, and mineral resources; enhance and protect the quality of life; and contribute to wise economic and physical development.
Provides detailed profiles of all of the countries of the world. Offers information on each country's geography, people, government, economy, communications, military, and transnational issues, as well as maps and flag images. Covers 2000 - present in PDF; current interactive edition is continually updated.
Gathers worldwide environmental data about the ocean, earth, air, space, and sun and their interactions to describe and predict the state of the physical environment. NOAA also maintains a national environmental data base, in which the agency's data are combined with selected environmental information collected by other agencies in support of their respective missions.
Through its Water Resources Division, collects and maintains data on the quality, availability and use of the Nation's water, including streamflow data for hydropower plants, groundwater subsistence, erosion, backwater, flooding, water contamination, and sedimentation.
The Energy Statistics Database is distributed through the UNData portal and contains basic statistics for more than 220 countries/territories. Currently, the database provides time series for the period 1950-2011 and is updated annually.