| imo.org | The International Maritime Organization |
| unep.org | United Nations Environment Programme (UNEP) |
| org.tn | Rac-spa |
| ospar.org | O S P A R | | Bienvenue |
| minenv.gr | Ministry of Environment, Physical Planning and Public Works |
| helcom.fi | HELCOM - Baltic Marine Environment Protection Commission |
| eucc.nl | European Union for Coastal Conservation |
| eea.eu.int | European Environment Agency |
| cites.org | Convention on International Trade in Endangered Species |
| ciesm.org | International Commission for the Scientific Exploration of the Mediterranean Se |
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