The United Nations Portal on Multilateral Environmental Agreements
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Tonga
Signature
Ratification
Party status
Agreement on Port State Measures to Prevent, Deter and Eliminate Illegal, Unreported and Unregulated Fishing
Accession
Agreement relating to the Implementation of Part XI of the United Nations Convention on the Law of the Sea of 10 December 1982
Ratification
Agreement under the United Nations Convention on the Law of the Sea on the Conservation and Sustainable Use of Marine Biological Diversity of Areas beyond National Jurisdiction
Ratification
Convenio de Basilea
Accession
Convenio sobre la Diversidad Biológica
Accession
Convención sobre el Comercio Internacional de Especies Amenazadas de Fauna y Flora Silvestres
Accession
Doha Amendment to the Kyoto Protocol
Acceptance
International Convention for the Prevention of Pollution from Ships (MARPOL) as modified by the Protocol of 1978 (MARPOL 73/78) - including Annex I/II
Accession
International Convention for the Prevention of Pollution from Ships as modified by the Protocol of 1978 (MARPOL 73/78) - Annex III: Hazardous substances carried in packaged form
Acceptance
Tratado Internacional sobre los Recursos Fitogenéticos para la Alimentación y la Agricultura
Accession
Protocolo de Kyoto
Accession
Convenio de Minamata
Accession
Protocolo de Montreal
Accession
Protocolo Nagoya
Accession
Paris Agreement
Ratification
Protocol of 1997 to amend the International Convention for the Prevention of Pollution from Ships, 1973, as modified by the Protocol of 1978 relating thereto (MARPOL 73/78) to include Annex VI on the prevention of air pollution from ships
Accession
Convenio de Rotterdam
Accession
Convenio de Estocolmo
Ratification
The Beijing Amendment (1999)
Ratification
Protocolo de Cartagena
Accession
The Copenhagen Amendment (1992)
Ratification
The Kigali Amendment (2016)
Ratification
The London Amendment (1990)
Ratification
The Montreal Amendment (1997)
Ratification
UN Fish Stocks Agreement
Ratification
United Nations Convention on the Law of the Sea
Accession
Convención de las Naciones Unidas de Lucha contra la Desertificación
Accession
Convención Marco de las Naciones Unidas sobre el Cambio Climático