IUCN Red List of Threatened Species (International Union for the Conservation of Nature)
Database of animal and plant species facing a high risk of global extinction. Information includes country/region of occurrence, population trends, and data sources.
State of the Environment Reporting Information System
The European Environment Agency's collection of assessment reports for countries.
WRI EarthTrends Country Profiles
Profiles of the country's coastal and marine ecosystems, water resources, climate, population and health, economics, energy, biodiversity, agriculture, forests, and governance.