General Assembly Committee 1 - Disarmament and International Security (DISEC)
The First Committee deals with disarmament, global challenges and threats to peace that affect the international community and seeks solutions to the challenges in the international security system. It considers all disarmament and international security matters within the scope of the UN Charter or relating to the powers and functions of any other organ of the United Nations; the general principles of cooperation in the maintenance of international peace and security, as well as principles governing disarmament and the regulation of armaments; promotion of cooperative arrangements and measures aimed at strengthening stability through lower levels of armaments. 
    General Assembly Committee 2 - The Economic and Financial Committee (ECOFIN)
    The second committee deals with global finance and economic matters. It is concerned with economic growth and development and discusses issues such as sustainability, globalisation, food security and eradication of poverty. It also looks at specific countires have to deal with and special situations countries are facing, especially the least developed countries (LDCs).  This committee is really important because issues concerning the global market and economy are of great national concern to all nations. 

    General Assembly Committee 3 - Social, Humanitarian & Cultural (SOCHUM)
    The Third Committee of the General Assembly agenda items relate to a range of social, humanitarian affairs and human rights issues that affect people all over the world. An important part of the work of the Committee will focus on the examination of human rights questions, including reports of the special procedures of the Human Rights Council which was established in 2006. The Committee also discusses questions relating to the advancement of women, the protection of children, indigenous issues, the treatment of refugees, the promotion of fundamental freedoms through the elimination of racism and racial discrimination, and the right to  self- determination.  The Committee also addresses important social development questions such as issues related to youth, family, ageing, disabilities, crime prevention, criminal justice, and international drug control.
      General Assembly Committee 4 - Special Political & Decolonization (SPECPOL)
      The Special Political and Decolonization Committee (Fourth Committee) considers a broad range of issues covering decolonization-related agenda items, the effects of atomic radiation, questions relating to information, a comprehensive review of the question of peacekeeping operations. In addition to these annual items, the Committee also considers the items on Assistance in mine action. 
        General Assembly Committee 6 - Legal 
        The Sixth Committee is the primary forum for the consideration of legal questions in the General Assembly. All of the United Nations Member States are entitled to representation on the Sixth Committee as one of the main committees of the General Assembly. 
          Conference of the Parties to the United Nations Framework Convention on Climate Change (COP)
          The United Nations Climate Change Conferences are yearly conferences held under the framework of the UNFCCC. They serve as the formal meeting of the Parties to assess progress in dealing with climate change. In the 1990s, these parties negotiated the Kyoto Protocol which established legally binding obligations for developed countries to reduce their greenhouse gas emissions.  The twenty-first conference (COP21) was held in Paris and resulted in the Paris Agreement. The 23rd session of the Conference of the Parties (COP 23) to the UN Convention on Climate Change (UNFCCC) was held in Bonn, Germany in 2017. This committee will simulate the work of the COP conference which strIves to resolve important climate change issues.

          United Nations High Commissioner for Refugees (UNHCR)
          The United Nations High Commissioner for Refugees (UNHCR) provides a forum for working to provide more help and protection to refugees in a number of important ways such as assisting refugees in repatriating to their countries and helping with resettling and integrating of refugees in new countries. It coordinates provision of shelter, healthcare and emergency relief for refugees. This committee is designed to help countries co-ordinate international action to protect refugees and resolve refugee problems worldwide. Its primary goal is to find agreement between countries about the best ways to safeguard the rights and well-being of refugees.

          Security Council
          There are fifteen permanent members of the Security Council - five of them are permanent (China, UK, USA, France, Russia). The five permanent members have vetos and the remaining ten members are elected every two years on a regional basis. The presidency rotates between the members. The job of the Security Council is to ensure international peace and security. Its can establish peacekeeping operations, enact international sanctions, and authorise military action.