War remains a matter of great concern to humanity. Recent conflicts have demonstrated that the ravages of war continue to have a devastating impact especially on the civilian population.  
 

The International Law of Treaties is a set of international principles and rules regulating the conclusion procedure of treaties, as well as the issues of operation, amendments and modifications, termination, suspension and invalidity of treaties. For those involved in the drafting, negotiation and conclusion of international treaties, a sound knowledge of the Law of Treaties is indispensable.

International organizations are playing an increasingly important role in the international legal order. They are active in virtually all fields of human activity, they regularly conclude international treaties and continuously interact with other actors of international law. Nowadays, they wield growing normative powers.

The subject of international law brings a lot of concepts to mind, from war and settlement of disputes between States, protection of the environment, responsibilities and obligations, to human rights protection between citizens, refugees of different States and corporations.

Multilateral Environmental Agreements (MEAs) are the predominant legal method for addressing transboundary environmental problems. Adopted by States, MEAs are standard-settings instruments for effective global environmental protection.

For the adequate implementation of and compliance with MEAs at a national level, there is a need to raise awareness on International Environmental Law (IEL) and develop specific capacities for its implementation at the national level.

International organizations are playing an increasingly important role in the international legal order. They are active in virtually all fields of human activity, they regularly conclude international treaties and continuously interact with other actors of international law. Nowadays, they wield growing normative powers.

The United Nations Institute for Training and Research (UNITAR) was established in 1963 as an autonomous body within the United Nations with the purpose of enhancing the effectiveness of the work of the UN and its member states.

The United Nations Institute for Training and Research's (UNITAR) Online Diploma in Multilateral Diplomacy offers a unique opportunity for both students wanting to pursue a career in international relations, and professionals working in international and regional organizations as well as governmental and non-governmental institutions, to expand their knowledge on international affairs and stren