Brazil's Amazon sees sharp decline in size of area burned in 2025
Data released by the monitoring group MapBiomas confirms a major decrease in fire activity across the Brazilian Amazon throughout 2025. Records indicate that 3.1 million hectares were burned last year. This figure represents a sharp contrast to the 15.8 million hectares affected by fire during the previous year. It also marks the smallest area burned since records began in 1985.
President Luiz Inácio Lula da Silva campaigned on a platform centered on Amazon conservation. The 2025 results provide a quantifiable metric for his environmental objectives as he seeks re-election this October. Researchers note that the decline is significant, representing a 31 percent drop compared to historical averages. Vera Arruda of the Amazon Environmental Research Institute confirmed that the reduction follows the lowest number of fire incidents recorded in the region in over four decades.
Experts attribute part of this improvement to shifts in global weather patterns. The transition from El Niño to La Niña conditions created a cooler environment that was less conducive to the uncontrollable spread of flames seen in 2024. While the reduction is positive, MapBiomas warns that current results do not guarantee a long-term shift. Environmental risks remain due to ongoing land clearance for agriculture and the cyclical nature of climate events.
The broader data for Brazil shows a decline from 30 million hectares burned in 2024 to 12.7 million hectares in 2025. Despite these numbers, tensions persist regarding environmental policy. While conservation groups appreciate the drop in fire activity, they remain critical of the government for permitting oil exploration at the mouth of the Amazon river, viewing this as a contradiction to the administration's stated commitment to zero deforestation.