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A vast expanse of ice and sub zero temperatures.






The Antarctic Treaty and related agreements, collectively known as the Antarctic Treaty System (ATS), regulate international relations with respect to Antarctica, Earth's only continent without a native human population. It was the first arms control agreement established during the Cold War, setting aside the continent as a scientific preserve, establishing freedom of scientific investigation, and banning military activity; for the purposes of the treaty system, Antarctica is defined as all the land and ice shelves south of 60°S latitude. Since September 2004, the Antarctic Treaty Secretariat, which implements the treaty system, is headquartered in Buenos Aires, Argentina.

The main treaty was opened for signature on 1 December 1959, and officially entered into force on 23 June 1961. The original signatories were the 12 countries active in Antarctica during the International Geophysical Year (IGY) of 1957–58: Argentina, Australia, Belgium, Chile, France, Japan, New Zealand, Norway, South Africa, the Soviet Union, the United Kingdom, and the United States. These countries had established over 55 Antarctic research stations for the IGY, and the subsequent promulgation of the treaty was seen as a diplomatic expression of the operational and scientific cooperation that had been achieved. As of 2023, the treaty has 56 parties.

Antarctica currently has no permanent population and therefore it has no citizenship nor government. Personnel present on Antarctica at any time are always citizens or nationals of some sovereignty outside Antarctica, as there is no Antarctic sovereignty. The majority of Antarctica is claimed by one or more countries, but most countries do not explicitly recognize those claims. The area on the mainland between 90 degrees west and 150 degrees west is the only major land on Earth not claimed by any country. Until 2015 the interior of the Norwegian Sector, the extent of which had never been officially defined, was considered to be unclaimed. That year, Norway formally laid claim to the area between its Queen Maud Land and the South Pole.

Governments that are party to the Antarctic Treaty and its Protocol on Environmental Protection implement the articles of these agreements, and decisions taken under them, through national laws. These laws generally apply only to their own citizens, wherever they are in Antarctica, and serve to enforce the consensus decisions of the consultative parties: about which activities are acceptable, which areas require permits to enter, what processes of environmental impact assessment must precede activities, and so on. The Antarctic Treaty is often considered to represent an example of the common heritage of mankind principle. Something similar applies to the Moon - and space exploration.

As of 2023, there are 56 states party to the treaty, 29 of which, including all 12 original signatories to the treaty, have consultative (voting) status. The consultative members include the 7 countries that claim portions of Antarctica as their territory. The 49 non-claimant countries do not recognize the claims of others. 42 parties to the Antarctic Treaty have also ratified the "Protocol on Environmental Protection to the Antarctic Treaty". How this 'Treaty' came into being, is as a result of various claims of sovereignty, threatening peaceful interests, and scientific research.



THE 1940s

After World War II, the U.S. considered establishing a claim in Antarctica. From 26 August 1946, and until the beginning of 1947, it carried out Operation Highjump, the largest military expeditionary force that the United States had ever sent to Antarctica, consisting of 13 ships, 4,700 men, and numerous aerial devices. Its goals were to train military personnel and to test material in conditions of extreme cold for a hypothetical war in the Antarctic.

On 2 September 1947, the quadrant of Antarctica in which the United States was interested (between 24° W and 90° W) was included as part of the security zone of the Inter-American Treaty of Reciprocal Assistance, committing its members to defend it in case of external aggression.

In August 1948, the United States proposed that Antarctica be under the guardianship of the United Nations, as a trust territory administered by Argentina, Australia, Chile, France, the United States, the United Kingdom, and New Zealand. This idea was rejected by Argentina, Australia, Chile, France, and Norway. Before the rejection, on 28 August 1948, the United States proposed to the claimant countries some form of internationalization of Antarctica, and the United Kingdom supported this. Chile responded by presenting a plan to suspend all Antarctic claims for five to ten years while negotiating a final solution, but this did not find acceptance.

In 1950, the interest of the United States to keep the Soviet Union away from Antarctica was frustrated, when the Soviets informed the claimant states that they would not accept any Antarctic agreement in which they were not represented. The fear that the USSR would react by making a territorial claim, bringing the Cold War to Antarctica. Fortunately, the United States made no claim.











Various international conflicts motivated the creation of an agreement for the Antarctic.

Some incidents had occurred during the Second World War, and a new one occurred in Hope Bay on 1 February 1952, when the Argentine military fired warning shots at a group of Britons. The response of the United Kingdom was to send a warship that landed marines at the scene on 4 February. In 1949, Argentina, Chile, and the United Kingdom signed a Tripartite Naval Declaration committing not to send warships south of the 60th parallel south, which was renewed annually until 1961 when it was deemed unnecessary when the treaty entered into force. This tripartite declaration was signed after the tension generated when Argentina sent a fleet of eight warships to Antarctica in February 1948.

On 17 January 1953, Argentina reopened the Lieutenant Lasala refuge on Deception Island, leaving a sergeant and a corporal in the Argentine Navy. On 15 February, in the incident on Deception Island, 32 royal marines landed from the British frigate HMS Snipe armed with Sten machine guns, rifles, and tear gas capturing the two Argentine sailors. The Argentine refuge and a nearby uninhabited Chilean shelter were destroyed, and the Argentine sailors were delivered to a ship from that country on 18 February near South Georgia. A British detachment remained three months on the island while the frigate patrolled its waters until April.

On 4 May 1955, the United Kingdom filed two lawsuits, against Argentina and Chile respectively, before the International Court of Justice to declare the invalidity of the claims of the sovereignty of the two countries over Antarctic and sub-Antarctic areas. On 15 July 1955, the Chilean government rejected the jurisdiction of the court in that case, and on 1 August, the Argentine government also did so, so on 16 March 1956, the claims were closed.

In 1956 and 1958, India tried unsuccessfully to bring the Antarctic issue to the United Nations General Assembly.


Scientific bases increased international tension concerning Antarctica. The danger of the Cold War spreading to that continent caused the President of the United States, Dwight D. Eisenhower, to convene an Antarctic Conference of the twelve countries active in Antarctica during the International Geophysical Year, to sign a treaty. In the first phase, representatives of the twelve nations met in Washington, who met in sixty sessions between June 1958 and October 1959 to define a basic negotiating framework. However, no consensus was reached on a preliminary draft. In the second phase, a conference at the highest diplomatic level was held from 15 October to 1 December 1959, when the Treaty was signed.

The Antarctic Treaty was signed in 1959 by 12 nations and came into effect in the mid-1960s. The central ideas with full acceptance were the freedom of scientific research in Antarctica and the peaceful use of the continent. There was also a consensus for demilitarization and the maintenance of the status quo. The treaty prohibits nuclear testing, military operations, economic exploitation, and territorial claims in Antarctica. It is monitored through on-site inspections. The only permanent structures allowed are scientific research stations. The original signatory countries hold voting rights on Antarctic governance, with seven of them claiming portions of the continent and the remaining five being non-claimants. Other nations have joined as consultative members by conducting significant research in Antarctica. Non-consultative parties can also adhere to the treaty. In 1991-1992, the treaty was renegotiated by 33 nations, with the main change being the Madrid Protocol on Environmental Protection, which prohibited mining and oil exploration for 50 years.

The positions of the United States, the Soviet Union, the United Kingdom, and New Zealand coincided in the establishment of an international administration for Antarctica, proposing that it should be within the framework of the United Nations. Australia and the United Kingdom expressed the need for inspections by observers, and the British also proposed the use of military personnel for logistical functions. Argentina proposed that all atomic explosions be banned in Antarctica, which caused a crisis that lasted until the last day of the conference, since the United States, along with other countries, intended to ban only those that were made without prior notice and without prior consultation. The support of the USSR and Chile for the Argentine proposal finally caused the United States to retract its opposition.

The signing of the treaty was the first arms control agreement that occurred in the framework of the Cold War, and the participating countries managed to avoid the internationalization of Antarctic sovereignty.

As of the year 2048, any of the consultative parties to the treaty may request the revision of the treaty and its entire normative system, with the approval of a relative majority.






A startling discovery in the ice, sharp jaws protruding from a block of solid ice.




The Antarctic continent is vast. It embraces the South Pole with permanent ice and snow. It is encircled by floating barriers of ice, stormy seas and appalling weather. Its great altitude chills the air to extremes, and its descent to sea level across a moving ice sheet generates the world’s strongest winds. The cycling seasons reveal the spectacular natural forces of our planet. The surrounding seas teem with wildlife. And just 2% of this continent is free of ice, allowing a small toe-hold for hardy animals and plants.

The weather and isolation dominate all who visit. The discovery and exploration of Antarctica was shaped by the continent’s remoteness and its extraordinarily inhospitable environment. These factors combined for centuries to keep humans away from all but the subantarctic islands and parts of the Southern Ocean where whaling and sealing took place. In human historic terms, the land exploration of Antarctica is recent, most of it being accomplished during the twentieth century.

The improved technology and knowledge of the last 100 years allowed greater access to the continent, encouraging detailed surveying and research, and the gradual occupation of Antarctica by scientific stations. By mid-century, permanent stations were being established and planning was underway for the International Geophysical Year (IGY) in 1957-58, the first substantial multi-nation research program in Antarctica. By mid-century, territorial positions had also been asserted, but not agreed, creating a tension that threatened future scientific cooperation.

The IGY was recognised as pivotal to the scientific understanding of Antarctica. The twelve nations active in Antarctica, nine of which made territorial claims or reserved the right to do so, agreed that their political and legal differences should not interfere with the research program. The outstanding success of the IGY led these nations to agree that peaceful scientific cooperation in the Antarctic should continue indefinitely. Negotiation of such an agreement, the Antarctic Treaty, commenced immediately after the IGY.










The Antarctic Treaty was signed in Washington on 1 December 1959 by the twelve nations that had been active during the IGY (Argentina, Australia, Belgium, Chile, France, Japan, New Zealand, Norway, South Africa, United Kingdom, United States and USSR). The Treaty, which applies to the area south of 60° South latitude, is surprisingly short, but remarkably effective. Through this agreement, the countries active in Antarctica consult on the uses of a whole continent, with a commitment that it should not become the scene or object of international discord. In its fourteen articles the Treaty:

- stipulates that Antarctica should be used exclusively for peaceful purposes, military activities, such as the establishment of military bases or weapons testing, are specifically prohibited;

- guarantees continued freedom to conduct scientific research, as enjoyed during the IGY;

- promotes international scientific cooperation including the exchange of research plans and personnel, and requires that results of research be made freely available;

- sets aside the potential for sovereignty disputes between Treaty parties by providing that no activities will enhance or diminish previously asserted positions with respect to territorial claims, provides that no new or enlarged claims can be made, and makes rules relating to jurisdiction;

- prohibits nuclear explosions and the disposal of radioactive waste;

- provides for inspection by observers, designated by any party, of ships, stations and equipment in Antarctica to ensure the observance of, and compliance with, the Treaty;

- requires parties to give advance notice of their expeditions; provides for the parties to meet periodically to discuss measures to further the objectives of the Treaty; and

- puts in place a dispute settlement procedure and a mechanism by which the Treaty can be modified.

The Treaty also provides that any member of the United Nations can accede to it. The Treaty now has 52 signatories, 28 are Consultative Parties on the basis of being original signatories or by conducting substantial research there. Membership continues to grow.

Since entering into force on 23 June 1961, the Treaty has been recognised as one of the most successful international agreements. Problematic differences over territorial claims have been effectively set aside and as a disarmament regime it has been outstandingly successful. The Treaty parties remain firmly committed to a system that is still effective in protecting their essential Antarctic interests. Science is proceeding unhindered.




The Antarctic Treaty Secretariat (ATS) is a subsidiary body of the Antarctic Treaty Consultative Meeting (ATCM) and, as such, performs its duties under the ATCM's direction. The ATCM is the forum that brings together the Antarctic Treaty Consultative Parties, Non-Consultative Parties, Observers and Experts. The Antarctic Treaty was signed in 1959 and entered into force in 1961.

The Secretariat is located at 757 Maipú Street, in the Autonomous City of Buenos Aires, Argentina. The Government of Argentina provides the office where the Secretariat operates, and the Headquarters Agreement –signed in 2010, during ATCM XXXIII - establishes the relationship between the ATCM and the Argentine Republic regarding the operations of the Secretariat in Argentina.


The mission of the Secretariat is to assist the ATCM and the Committee for Environmental Protection (CEP) in performing their functions, with the aim of strengthening the Antarctic Treaty System and ensuring that all activities carried out in Antarctica are consistent with the purposes and principles of the Antarctic Treaty and its Protocol on Environmental Protection.











The Secretariat is headed by an Executive Secretary appointed by the ATCM from candidates who are nationals of Consultative Parties. The mandate extends for four years, with the possibility of being re-elected for a second term.

The first Executive Secretary, elected in 2004, was Mr Johannes Huber from the Netherlands. From 2009 to 2017 (two terms) the ATCM entrusted the position to Dr Manfred Reinke (Germany). At ATCM XL (Beijing, 2017), Mr Albert Lluberas Bonaba (Uruguay) was appointed. Mr Lluberas Bonaba was re-elected in 2021 and has a mandate until 2025.


The Secretariat and the work it carries out are financed by contributions from the Consultative Parties. Half of the budget comes from contributions from the Consultative Parties in equal parts, while the other half comes from the contributions that the Consultative Parties make, based on the scale of their national activities in Antarctica and taking into account the payment capacity of each of them. Any Contracting Party (Consultative or Non-Consultative) may also make voluntary contributions at any time.













Antarctica has no government, although various countries claim sovereignty in certain regions. While a few of these countries have mutually recognised each other's claims, the validity of these claims is generally not recognised universally.

New claims on Antarctica have been suspended since 1959 and the continent is considered politically neutral. Its status is regulated by the 1959 Antarctic Treaty and other related agreements, collectively called the Antarctic Treaty System. Antarctica is defined as all land and ice shelves south of 60° S for the purposes of the Treaty System. The treaty was signed by twelve countries including the Soviet Union (and later Russia), the United Kingdom, Argentina, Chile, Australia, and the United States. It set aside Antarctica as a scientific preserve, established freedom of scientific investigation and environmental protection, and banned military activity on the continent. This was the first arms control agreement established during the Cold War.

In 1983, the Antarctic Treaty Parties began negotiations on a convention to regulate mining in Antarctica. A coalition of international organisations launched a public pressure campaign to prevent any minerals development in the region, led largely by Greenpeace International which established its own scientific station–World Park Base–in the Ross Sea region and conducted annual expeditions to document environmental effects of humans on the continent. In 1988, the Convention on the Regulation of Antarctic Mineral Resources (CRAMRA) was adopted. The following year, however, Australia and France announced that they would not ratify the convention, rendering it dead for all intents and purposes. They proposed instead that a comprehensive regime to protect the Antarctic environment be negotiated in its place. The Protocol on Environmental Protection to the Antarctic Treaty (the ‘Madrid Protocol’) was negotiated as other countries followed suit and on 14 January 1998 it entered into force. The Madrid Protocol bans all mining in Antarctica, designating the continent as a ‘natural reserve devoted to peace and science’.



The British Antarctic Territory (BAT) is a UK Overseas Territory administered in London by the Polar Regions Department of the Foreign, Commonwealth & Development Office.

The Government of the Territory has its own legislative framework and makes a range of legal and administrative appointments.

There is no formal British government representation locally in the BAT.

The BAT has no indigenous population and presence in the Territory is provided by:

- British Antarctic Survey (BAS) that operates 3 scientific stations

- United Kingdom Antarctic Heritage Trust (UKAHT) that manages the historic base at Port Lockroy

The BAT comprises the sector of the Antarctic south of latitude 60 degrees South, between longitude 20 degrees West and 80 degrees West. The UK’s claim to this part of Antarctica is the oldest of any made on the continent. All territorial sovereignty claims to Antarctica are held in abeyance under Article IV of the Antarctic Treaty 1959.

The UK’s overarching objective is to support the security and good governance of the Territory.





Polar Regions Department
Overseas Territories Directorate
Polar Regions Department
Foreign, Commonwealth & Development Office
King Charles Street
United Kingdom

Email: polarregions@fcdo.gov.uk
Telephone: 0207 008 5000


British Antarctic Survey
High Cross
Madingley Road

Telephone: +44 (0)1223 221400
Press & Media: press@bas.ac.uk (On weekends and Bank Holidays, please call +44 (0)1223 637309)

Public Information:

baslib@bas.ac.uk (BAS Library)
basarchives@bas.ac.uk (Archives Service)
apc@bas.ac.uk (Antarctic place names)






The "Sectasaur" artwork is also suitable for use in "Jimmy Watson's Magic Dinobot." A proposed network TV serialization, about a boy who saves his paper round money to buy himself a robot for Christmas. Then, when assembled, it come to life, to become his friend. ARTWORK - Somewhat better than the huge ants in "Them," but perhaps not as good as the CGI in Antman. Now a museum exhibit in Sussex, England.



















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