Region
- European Union countries 53 results
- United States 32 results
- China 23 results
- Europe 22 results
- Developing countries 15 results
- Asia 7 results
- Great Britain 7 results
- Pacific Area 4 results
- European Union 3 results
- Indonesia 3 results
- Japan 3 results
- Polar Regions 3 results
- Africa 2 results
- Arctic regions 2 results
- Canada 2 results
- West (U.S.) 2 results
- Australia 1 results
- Barents Sea 1 results
- East Asia 1 results
- European Economic Community countries 1 results
- Germany 1 results
- Himalaya Mountains 1 results
- India 1 results
- Islamic countries 1 results
- Italy 1 results
- Mekong River Watershed 1 results
- North America 1 results
- OECD countries 1 results
- Pacific Ocean 1 results
- Polar regions 1 results
- Rhine River Watershed 1 results
- Rwanda 1 results
- South China Sea 1 results
- Southeast Asia 1 results
- Thailand 1 results
- Tibet, Plateau of 1 results