🇺🇲 Analysis - Greenland and the Arctic: The Geopolitical Prelude to Antarctica 2048
Leonardo Quijarro Santibáñez, RAdm, Chilean Navy (Ret.), Senior Fellow, MSI²
Bottom Line Up Front
The growing strategic competition in the Arctic is shaping the geopolitical precedent that could determine the future of Antarctica. As climate change opens new maritime routes and facilitates access to previously inaccessible resources in the High North, major powers are redefining key concepts such as sovereignty, security, and governance in the polar regions. The dynamics currently unfolding around Greenland and Arctic maritime corridors are not merely a regional dispute: they represent a laboratory where the norms, balances of power, and strategic doctrines that may influence the international debate when the Antarctic Treaty System and the Madrid Protocol are reviewed in 2048 are being tested.
Why This Matters
Understanding the geopolitical transformation of the Arctic is essential to anticipate the future of Antarctica. Historically, the polar regions have been governed by unique legal frameworks that prioritize international cooperation, scientific research, and environmental protection. However, the growing militarization of the Arctic and the renewed interest in its resources suggest that these principles could face increasing pressure.
For countries with territorial claims or strategic interests in Antarctica, including Chile, Argentina, Australia, and others, the Arctic offers a preview of how great-power competition could strain the current governance model. If the Arctic evolves into a scenario dominated by power politics, that precedent could reshape the diplomatic landscape ahead of the review of the Madrid Protocol in 2048. In this sense, the strategic decisions currently being made in the High North may determine whether Antarctica remains a global commons dedicated to peace and science, or becomes the next arena of geopolitical rivalry.
The melting of the High North is transforming the Arctic into a new arena of strategic competition among great powers, foreshadowing the debate that could define the political, economic, and environmental future of Antarctica when the international regime governing the white continent is reviewed in 2048.
Executive Summary
The rapid melting of the Arctic is transforming a historically isolated region into a new arena of strategic competition among great powers. Based on recent statements by Western leaders and the increase in military operations in the High North, this article argues that the Arctic has become the geopolitical laboratory where the rules that may apply to the future of Antarctica are being defined. With the review of the Madrid Protocol scheduled for 2048, the strategic decisions currently being made regarding Greenland and polar maritime routes could anticipate the next major debate on sovereignty, resources, and governance of the last untouched continent.
The Melting Arctic and the Return of Geopolitics
The glacial cold of the poles has ceased to be an insulator for power politics. As the ice retreats, the Arctic is becoming a new arena of strategic competition. In this process, an architecture of confrontation is emerging that casts a troubling shadow over the future of the Sixth Continent. The reality of 2026 places us at a turning point where geography, economics, and military power converge to rewrite the rules of the polar game.
To understand the magnitude of what is happening, we must turn to the foundations of physical geopolitics. As journalist Tim Marshall noted in his influential work Prisoners of Geography, political leaders are constrained by the physical realities of their lands. Marshall warns that the Arctic is no longer merely an impassable barrier of ice, but a “new frontier” where climate change is breaking geographic chains.
According to Marshall, the opening of the Northwest Passage and the Northern Sea Route is not simply a commercial event but a true “geopolitical earthquake” that forces powers to project force where previously there was only silence. From this perspective, conflict is not an ideological choice but an inevitable consequence of geography becoming accessible. Marshall argues that “ports still freeze and the North European plain is still flat,” suggesting that the struggle for control of these new maritime routes is a historical constant that has simply moved onto the ice.
Two Strategic Visions: Carney and Rubio
In response to this geographic determinism, a strong political response has emerged from middle powers. At the recent World Economic Forum in Davos, this past January, Canadian Prime Minister Mark Carney delivered a speech that is already considered historic. In it, he warned that the world is experiencing a “rupture, not a transition,” in which the rules-based international order has been replaced by a “brutal reality” in which great powers accept no limits.
Carney was blunt in stating that economic integration is being used as a weapon and tariffs as a lever of coercion. His proposal for the Arctic is not submission to power blocs, but the “strategic autonomy” of middle powers. According to Carney, countries such as Canada, Denmark, and Norway must form coalitions of “variable geometry” to protect their sovereignty over critical resources and territories such as Greenland. “If you are not at the table, you are on the menu,” he warned, rejecting any attempt by superpowers to treat the Arctic as a spoil of war or a transactional property.
During the weekend of February 13 to 15, at the 62nd Munich Security Conference, United States Secretary of State Marco Rubio offered the counterpart to Carney’s vision. Although he sought to reassure European allies following tensions over Greenland’s sovereignty, his message was an exercise in clarifying realism.
Rubio articulated a vision in which U.S. national security and the defense of “Western civilization” take precedence over any multilateralism he described as “dogmatic delusion.” For Rubio, control of Greenland and presence in the Arctic are not mere territorial whims but vital assets against competitors who “exploit the system to deindustrialize us.” By invoking a shared identity based on faith, culture, and heritage, the Secretary of State justified a more assertive stance in the North: the United States will not allow the “global order” to take precedence over the vital interests of its people.
Strategic Realism and Constructivism
Two visions regarding the security challenges facing the world in the first quarter of the 21st century are thus placed on the table.
On one hand, the logic of Kenneth Waltz’s structural realism, or neorealism, appears clearly expressed in the U.S. approach described by Rubio. From this perspective, competition among powers is a constant in the international system, and security depends on the capacity of states to preserve their power against strategic rivals.
On the other side of the board, Prime Minister Carney’s words evoke a tradition closer to social constructivism, in which globalization and interdependence have structured international relations since the late twentieth century. In this vision, shared rules and institutional frameworks remain central instruments to prevent geopolitical competition from turning into open confrontation.
The Militarization of the High North
This strategic debate quickly ceased to be theoretical and began to manifest itself on the military terrain.
The activation of NATO’s Arctic Sentry operation in early February, aimed at protecting allied territory in a region that directly connects North America with Europe and ensuring that the Arctic and the High North remain secure spaces against conventional or hybrid threats, has included the deployment of the British aircraft carrier HMS Prince of Wales as part of the United Kingdom’s Operation Firecrest.
The Prince of Wales, acting as flagship and operating with U.S. F-35 fighters, patrols the routes that melting ice is opening, precisely the “chokepoints” that Marshall describes as essential.
This deployment in the GIUK Gap (Greenland, Iceland, and the United Kingdom) symbolizes the transformation of the Arctic into a high-intensity theater of operations. It is not merely a military exercise, but the tactical execution of a strategic vision: the need to defend critical infrastructure and maritime routes in the face of growing Russian presence and China’s strategic interest in polar latitudes.
The Arctic Precedent and the Challenge of 2048
Why should this drama in the North concern us in the Southern Hemisphere?
The answer lies in the year 2048, when the Madrid Protocol of the Antarctic Treaty may be reviewed. Until then, Antarctica is a reserve dedicated to peace and science, but the Arctic precedent suggests that this institutional shield may prove fragile.
There are already indications pointing in that direction. Russian expeditions have suggested the possible discovery of significant mineral reserves in the white continent, while China has increased its scientific and logistical presence in the region.
If the international community accepts the discourse of strategic realism regarding the sovereignty of polar territories, or if middle powers fail to establish the “third way” of strategic cooperation proposed by Carney, Antarctica could become the next arena of global competition.
As Marshall warns, when the ice disappears, geography ceases to be a defense and becomes a target.
Conclusion: The South Will Be Decided in the North
The Antarctica of 2048 is being decided today in the icy waters of Greenland.
The nations signatory to the Antarctic Treaty must closely follow the events unfolding in the High North. Only in this way will it be possible to preserve the last untouched continent on the planet as the great ecological reserve and scientific laboratory of humanity.
Otherwise, the precedent set in the Arctic could also transform Antarctica into the next great prize in the competition among powers.
Three Key Takeaways
The Arctic is becoming the geopolitical laboratory of future polar governance.
Competition over maritime routes, natural resources, and military positioning in the High North is establishing precedents that may influence how the international community approaches the future of Antarctica in the coming decades.
Strategic competition is redefining polar politics.
The tension between realist approaches centered on sovereignty and power projection, and cooperative models based on multilateral governance, will likely shape the future of both polar regions.
The debate over Antarctica has already begun, implicitly, in the Arctic.
With the review of the Madrid Protocol scheduled for 2048, current developments around Greenland and Arctic maritime routes anticipate the strategic arguments and power dynamics that may define the future of the last largely untouched continent on Earth.
The opinions expressed in this article are those of the author and do not necessarily reflect the views of the Miami Strategic Intelligence Institute (MSI²).