Brazil is often reported abroad through politics, corruption and crime. But another Brazil is operating at the edge of the planet: a country that has kept scientists in Antarctica for decades, building one of its most ambitious environmental research efforts.
Carlos Schaefer, a professor at the Federal University of Viçosa in Minas Gerais state, has spent 25 years leading field research on Antarctic permafrost, the permanently frozen ground that scientists use as an indicator of climate change. According to reports by Sociedade Militar and Brasil Paralelo, Schaefer has led 34 scientific camps in remote parts of Antarctica. Monitoring sites remain active in 27 of those locations.
A Long Antarctic Effort
The work is part of Brazil’s Antarctic Program, known as PROANTAR, which coordinates the country’s scientific presence on the continent. The operation depends heavily on the Brazilian Navy, which provides ships, aircraft and logistical support from the Comandante Ferraz Antarctic Station.
The sources cite the polar vessel Almirante Maximiano and the oceanographic support ship Ary Rongel among the assets used to move researchers, supplies and equipment through one of the world’s most hostile environments. That logistical structure matters because the research is not confined to a single station.
Many of the sites visited by Schaefer’s group had not previously been studied, according to the reports. Each camp gave researchers access to new data on soil, temperature, chemistry and ecosystem change in areas where fieldwork is expensive, dangerous and easily disrupted by weather.
Why Permafrost Matters
Permafrost is central to the effort. When frozen soil thaws, its physical and chemical properties change. Those changes can alter local ecosystems, affect vegetation and release compounds held in the ground.
In the Antarctic context, long-term monitoring helps scientists understand how warming is reshaping some of the planet’s coldest landscapes. Brasil Paralelo reported that Schaefer says Brazil now leads climate monitoring of permafrost in the region. Sociedade Militar described the Brazilian network as one of the most complete long-term bases of data on the subject.
Those claims are attributed to the Brazilian reports and the Navy material they cite; the source package does not include an independent international ranking.
Science and Logistics
The project began formally after a 2001 call for Antarctic environmental monitoring. Schaefer, trained in agronomy and later active in soil science and geochemistry, had been drawn to polar regions since childhood, when he read books about distant frozen landscapes.
Over time, the research expanded beyond climate indicators to include pollution and the environmental impact of human presence in Antarctica. The field conditions have tested the program. In one expedition, a storm destroyed part of a scientific camp. The team rebuilt the structure in two days and continued the mission, according to the reports.
Sociedade Militar also said the operations had no record of serious safety incidents over the 25-year period covered. The story is a reminder that Brazil’s state capacity is not only visible in Brasília’s disputes or in public-security crises.
In Antarctica, a combination of universities, federal science programs and naval logistics has produced a long-running scientific presence with practical value for global climate research. It is also a quieter form of national projection. Brazil is not a polar power in the way larger military or scientific powers are, but through PROANTAR and work such as Schaefer’s, it has maintained a durable claim to scientific relevance on a continent governed by research, logistics and patience.
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accessed on 28 April 2026