Antarctica is transforming faster than anyone anticipated.
En el extremo sur del planeta, el continente que durante décadas funcionó como laboratorio natural de la humanidad está siendo transformado por las mismas fuerzas que sus científicos han dedicado sus vidas a estudiar. Entre 2015 y 2025, once de los años más cálidos jamás registrados dejaron su huella en el hielo antártico, dañando pistas de aterrizaje, inundando bases costeras y poniendo en riesgo a los equipos de investigación. Lo que ocurre en la Antártida no es solo una crisis logística: es el reflejo más nítido de una civilización que aún no ha aprendido a habitar el planeta que heredó.
- Las bases científicas costeras enfrentan inundaciones, corrosión acelerada y pistas de aterrizaje inutilizables, con retrasos de hasta seis semanas en estaciones como Rothera.
- El mar de hielo antártico alcanzó mínimos históricos en febrero de 2023 y febrero de 2025, desestabilizando cadenas alimentarias que sostienen kril, pingüinos, ballenas y focas.
- El personal científico enfrenta riesgos crecientes para su salud física y mental, atrapado en entornos cada vez más impredecibles y difíciles de evacuar.
- Drones autónomos, robots submarinos y gemelos digitales emergen como alternativas para recopilar datos sin exponer vidas humanas en condiciones extremas.
- El Tratado Antártico de 1959 y la cooperación internacional serán sometidos a pruebas que sus redactores nunca pudieron anticipar, mientras el mundo busca respuestas a una velocidad insuficiente.
La Antártida ya no es el bastión helado e inmutable que la ciencia conoció. Un estudio publicado en Communications Earth & Environment documenta cómo el cambio climático está dañando no solo el hielo y los océanos, sino la infraestructura misma que sostiene la investigación: edificios, pistas de aterrizaje, rutas de suministro y las personas que trabajan allí. El informe climático global 2025 de la Organización Meteorológica Mundial ofrece el contexto: once de los años más cálidos jamás registrados ocurrieron entre 2015 y 2025, y el hielo marino antártico alcanzó mínimos históricos en febrero de 2023 y nuevamente en febrero de 2025.
Las consecuencias son concretas e inmediatas. Las bases costeras lidian con inundaciones, lluvias intensas, cargas de nieve y materiales que se corroen en condiciones cada vez más húmedas. En la base Rothera, capas de hielo sobre la pista han provocado retrasos de hasta seis semanas. Otras estaciones han abandonado sus aeropistas por completo, obligadas a buscar nuevas ubicaciones a medida que el deshielo y las grietas vuelven inservibles las antiguas. La investigadora Katharine Hendry señala que la lluvia, antes excepcional en lugares como Rothera, es hoy rutinaria, complicando el acceso a campamentos remotos y agravando los riesgos para la salud física y mental de los equipos aislados.
Frente a este panorama, los investigadores proponen replantear el modelo de ciencia antártica. Drones, robots submarinos y vehículos aéreos no tripulados pueden recopilar datos en condiciones peligrosas sin exponer vidas. Los gemelos digitales —modelos virtuales que simulan en tiempo real el comportamiento del océano y el hielo— combinados con datos satelitales, amplían la capacidad de medición y anticipan riesgos. Las futuras bases ya se diseñan pensando en resistencia a inundaciones y erosión costera. Pero el estudio advierte que la tecnología no basta: la gobernanza internacional deberá adaptarse, y el Tratado Antártico de 1959 enfrentará desafíos que sus redactores jamás imaginaron.
Antarctica is no longer the stable, frozen fortress it once seemed. The continent that scientists have long treated as a remote laboratory—distant, predictable, governed by the rhythms of ice and season—is transforming faster than anyone anticipated. The change goes beyond the normal swings of polar weather. Extreme events driven by climate change are now rewriting both the physical landscape and the basic conditions under which research can happen there.
A study published in Communications Earth & Environment lays out the scope of the problem with unusual clarity. The research documents how extreme conditions are damaging not just the ice and ocean, but the actual infrastructure that keeps science running—the buildings, the landing strips, the supply lines, the people. The World Meteorological Organization's 2025 global climate report provides the context: the planet is experiencing an energy imbalance unlike anything in recorded history. Greenhouse gas concentrations have hit new highs. The atmosphere and oceans are warming steadily. Between 2015 and 2025, eleven of the warmest years on record occurred. Antarctic sea ice reached some of its lowest levels ever measured by satellite, with historic minimums recorded in February 2023 and again in February 2025.
These are not abstract numbers. The rapid, large-scale changes driven by human activity are already triggering extreme weather, melting glaciers, raising sea levels, and cascading through food webs and ecosystems. In Antarctica, the consequences are becoming impossible to ignore. Heat waves, storms, and surface melting are hitting record lows. The impacts ripple through marine food chains—krill populations, penguin colonies, whales, seals—all depend on ice conditions that are now in flux.
The research stations themselves are under siege. Coastal bases are dealing with flooding, intense rainfall, heavy snow loads, and materials corroding in increasingly humid conditions. Some have had to reinforce beaches against erosion or find new sources of drinking water as lakes and streams shift. The landing strips are especially vulnerable. At Rothera base, ice layers have formed on the runway, causing delays of up to six weeks. Other stations have abandoned their old airstrips entirely, forced to find new locations as thawing and crevasses make the old ones unusable. Sea access, which might seem easier as ice retreats, brings its own dangers: increased risk of accidents, invasive species arriving on ships, and logistical nightmares for resupply and evacuation.
Katharine Hendry, one of the study's authors, points out that rainfall at places like Rothera—once a rare event—is now routine. The unpredictability of weather, combined with rain and thaw, makes it harder to reach remote stations and camps. The risks to safety compound. So do the mental health costs for teams isolated in one of Earth's harshest environments, now made harsher still by uncertainty.
The solution, according to the researchers, lies in rethinking how Antarctic science operates. Autonomous technologies—drones, underwater robots, unmanned aerial vehicles—can collect data in dangerous conditions without putting people at risk. Digital twins, virtual models that simulate ocean and ice behavior in real time, combined with satellite data, expand what scientists can measure and help predict risks before they strike. These tools also shrink the carbon footprint of research by reducing the need to send humans to remote locations.
Future bases are being designed with flooding resistance, storm durability, and coastal erosion in mind. Materials are being upgraded. Water sources are being diversified. But the study makes clear that technology and infrastructure alone are not enough. International governance will have to adapt. The Antarctic Treaty, signed in 1959 to ensure the continent is used only for peaceful research and to foster cooperation and environmental protection, will be tested in ways its framers could not have imagined. The question now is whether the world can move fast enough to protect both the science and the continent itself.
Notable Quotes
The unpredictability of weather, combined with rain and thaw, makes it harder to reach remote stations and camps, increasing risks to safety and the mental health of isolated teams.— Katharine Hendry, study coauthor
The Hearth Conversation Another angle on the story
Why does it matter if a research station in Antarctica gets flooded or a landing strip gets delayed? Aren't there other places to do science?
Antarctica is the only place on Earth where you can study certain things—the ice sheets that hold enough water to raise sea levels by 60 meters, the ocean currents that regulate global climate, ecosystems that exist nowhere else. If you can't work there, you lose crucial data about how the planet is changing.
But the article mentions drones and digital twins as solutions. Can't those replace the people entirely?
Partly, yes. A drone can collect data in a storm without risking a human life. But some research still requires human judgment, hands-on work, and presence. And the real problem is that even with drones, you need the infrastructure—the bases, the runways, the supply ships—to support the operation. Climate change is attacking all of it at once.
The article says sea ice is at historic lows. Wouldn't less ice make it easier to reach Antarctica?
That's the trap. Less ice does mean ships can get in more easily in some seasons. But it also means more unpredictable weather, more storms, more risk of accidents. And the ecosystems that depend on ice—the krill, the seals, the whales—they're suffering. You gain access but lose the thing you came to study.
What happens if a major station has to shut down?
You lose years of continuous data. You lose the ability to monitor ice sheets in real time. You lose the early warning system for changes that affect the whole planet. And you send a signal that the continent is becoming too hostile for science, which opens the door to other uses—mining, resource extraction—that the Antarctic Treaty was designed to prevent.
So this is really about whether Antarctica stays a scientific commons or becomes something else?
Exactly. The climate is forcing that choice now, whether we're ready or not.