Environment, Land use / Resources, Economy, Population / Demographics, Infrastructure, Health -- CIA World Factbook, 2005
Forest Cover, Forest types, Breakdown of forest types, Change in Forest Cover, Primary forests, Forest designation, Disturbances affecting forest land, Value of forests, Production, trade and consumption of forest products -- The FOOD AND AGRICULTURE ORGANIZATION OF THE UNITED NATIONS's Global Forest Resources Assessment (2005 & 2010) and the State of the World's Forests (2009, 2007, 2005, 2003, 2001)
Protected Areas, Plant and animal biodiversity -- United Nations Environment Programme - World Conservation Monitoring Centre (UNEP-WCMC). 2004. World Database on Protected Areas.
Biosphere reservers -- United Nations Education, Scientific, and Cultural Organization (UNESCO) - Man and Biosphere Program. 2004. UNESCO - MAB Biosphere Reserves Directory.
RAMSAR sites -- The Bureau of the Convention on Wetlands . 2005. The Ramsar List of Wetlands of International Importance.
World Resources Institute's EarthTrends web site
The 2004 IUCN Red List of Threatened Species
Population Data -- United Nations Population Fund
With additional analysis by Rhett Butler of mongabay.com