How does the Antarctic Treaty handle territorial claims in Antarctica?

The Antarctic Treaty, signed in 1959, addresses the complex issue of territorial sovereignty in an innovative manner that prioritizes peaceful cooperation over political disputes.1

Rather than resolving or rejecting existing claims, the treaty handles them through the following provisions established in Article IV:1

• Nonrenunciation of Claims: The treaty does not require signatory nations to renounce the territorial claims they held prior to the agreement.1
• Prohibition of New Claims: It forbids the assertion of any new territorial claims or the expansion of existing ones while the treaty is in force.1
• Neutrality of Activities: Any activities conducted on the continent during the term of the treaty cannot be used as a basis for asserting, supporting, or denying a claim to territorial sovereignty.1

By effectively "freezing" the status of these claims, the treaty allows nations to focus on scientific research and international cooperation rather than geopolitical conflict. This framework ensures that the continent remains a demilitarized zone dedicated to peaceful purposes.21