Costa Rica Research and Sources
- CostaRica.org Facts
- National Biodiversity Institute (INBio) of Costa Rica
- United Nations Environment Programme (UNEP)
- United Nations Development Programme-Costa Rica (Human Development Reports)
- Costa Rica Law – Environmental Laws
- The Costa Rica News
- The Extraordinary Diversity of Costa Rica
- Rainforest Publications – Costa Rica Wildlife
- Instituto Meteorológico Nacional
- Royal Botanic Gardens-Kew
- IQ Air – World Air Quality Report
- Properties in Costa Rica-Diversity
- Mongabay – New & Inspiration from Nature’s Frontline
- Nations Online Project
- United Nations Population Dashboard – Costa Rica
- Enchanting-CostaRica.com
- United Nations – World Population Prospects
- City Population
- Weather Atlas-Costa Rica Climate
- Current Results-Costa Rica
- Climate & Clean Air Coalition
- National Statistics and Census Institute-Costa Rica (Spanish Only)
- International Energy Agency (IEA) – Costa Rica
- The World Fact Book – Costa Rica
- FuturePolicy.org