Many of these web sites also contain film, video, and photographs. Web Sites also have reports, publications, statistics, articles, etc. For more statistical information see the GEOGRAHY STATISTICS tab.
Intended for a general audience, the books in the series present a comprehensive description and analysis of the historical setting and the social, economic, political, and national security systems and institutions of select countries throughout the world.
NASA monitors Earth’s vital signs from land, air and space with a fleet of satellites and ambitious airborne and ground-based observation campaigns. NASA develops new ways to observe and study Earth's interconnected natural systems with long-term data records. The agency freely shares this unique knowledge and works with institutions around the world.
The National Geospatial-Intelligence Agency (NGA) delivers world-class geospatial intelligence that provides a decisive advantage to policymakers, warfighters, intelligence professionals and first responders.
Political Geography Now (PolGeoNow) chronicles changes to the world's countries, borders, and capitals, as well as real territorial control in conflict zones and disputed territories.
The USGS is a science organization that provides impartial information on the health of our ecosystems and environment, the natural hazards that threaten us, the natural resources we rely on, the impacts of climate and land-use change, and the core science systems that help us provide timely, relevant, and useable information.