In a glimmer of hope for the planet’s most vital ecosystems, recent satellite data indicates a significant slowdown in the loss of tropical rainforests in 2025. This positive trend is largely attributed to Brazil’s intensified initiatives aimed at combating deforestation in the Amazon. However, scientists caution that the long-term health of these forests remains precarious, especially with the imminent threat posed by the El Niño weather phenomenon, which could exacerbate forest fires.
A Promising Decline in Deforestation
According to the latest analysis from the World Resources Institute and the University of Maryland, approximately 43,000 square kilometres—an area comparable to Denmark—of old-growth tropical forests were lost globally in 2025. This figure marks a 36% decrease from the staggering losses recorded in 2024. While this reduction is encouraging, experts remind us that the rate of forest loss is still alarmingly higher than it was a decade ago.
The decline in deforestation rates can be attributed to a combination of factors, including the natural cooling effects of the previous La Niña climate pattern, which helped mitigate the prevalence of catastrophic fires. Additionally, concerted conservation efforts in nations such as Brazil, Colombia, and Malaysia have played a crucial role in this downward trend.
Elizabeth Goldman, co-director of Global Forest Watch, expressed optimism about the latest findings: “It’s incredibly encouraging to see the decline in 2025. It highlights how when we have political will and leaders committed to protecting forests, we can achieve tangible results.”
Brazil’s Environmental Policies Yield Results
In Brazil, home to the Amazon rainforest, researchers have noted that the implementation of stricter environmental policies and enhanced law enforcement has been instrumental in reducing deforestation rates. Excluding fire-related losses, the country saw approximately 5,700 square kilometres of old-growth forests disappear in 2025—the lowest rate since tracking began in 2002.
Tropical rainforests are essential for biodiversity, housing millions of species and acting as significant carbon sinks that help mitigate climate change. However, these vital ecosystems have faced mounting pressures from agricultural expansion, logging, and the exacerbating effects of climate change, which can create conditions conducive to larger and more destructive fires.
The Dual Threat of Climate Change and El Niño
Despite the current positive trend, the future remains uncertain. Experts warn that the onset of a warming El Niño this year could drastically alter the dynamics of forest preservation. The combination of climate change and El Niño may increase the frequency and intensity of wildfires, challenging the progress made thus far.
Rod Taylor, global director for forest and nature conservation at the World Resources Institute, emphasised the need for resilience: “Forests are well equipped to cope with normal climate. However, with the emergence of more intense fires and droughts, we must rethink our strategies to enhance their resilience against climate extremes.”
Prof. Matthew Hansen of the University of Maryland echoed these concerns, stating, “Climate change and land clearing have shortened the fuse on global forest fires. Without urgent action to manage fire more effectively, we risk pushing the world’s most important forests past recovery.”
Europe’s Climate Crisis Highlights the Urgency
In a parallel report, the EU’s Copernicus climate service detailed how climate change has led to extreme weather events across Europe, resulting in widespread wildfires and record-breaking temperatures. With over 10,000 square kilometres of land burned last year—an area larger than Cyprus—the urgency for robust climate action is palpable.
The report did note some progress in combating climate change, with nearly half of Europe’s electricity now sourced from renewables like wind, solar, and hydropower. However, the stark reality remains that the continent is experiencing unprecedented warming, affecting even its traditionally cooler regions.
Why it Matters
The battle against deforestation is not just an environmental issue; it is a global imperative that impacts biodiversity, climate stability, and the livelihoods of people around the world. While the slowdown in forest loss offers a glimpse of hope, the looming threat of El Niño and ongoing climate change serve as a reminder that our commitment to preserving these vital ecosystems must be unwavering. As nations grapple with the dual crises of deforestation and climate change, the need for immediate and effective action has never been more critical. The fate of our forests—and, by extension, the planet—hangs in the balance.