The CIA World Factbook contains similar material and is freely available online, but Nations of the World includes a business directory, banking hours, and transportation information; a useful ready-reference source for reliable country information not quickly available elsewhere
In this study, Knud J.V. Jespersen traces the historical roots of the modern Danish state and Denmark's international position at the beginning of the 21st century.
US Energy Information Administration's data includes production / consumption of oil natural gas, electricity, CO2 emissions, and imports and exports for all fuels.
Information on a country’s historical background, geography, society, economy, transportation and telecommunications, government and politics, and national security.
Interactively explore the Landsat archive, search for specific images based on area of interest, acquisition date, or cloud cover. Compare image features and view changes through time.