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Recent satellite observations indicate a significant reduction in the rate of tropical forest loss, primarily attributed to Brazil’s enhanced deforestation controls. In 2025, approximately 43,000 square kilometres (17,000 square miles) of mature tropical forests were lost worldwide—a notable decline of around one-third compared to the record losses experienced in 2024. However, researchers caution that the ongoing threats posed by climate change, coupled with the impending El Niño weather phenomenon, could jeopardise this fragile progress.
A Positive Shift in Deforestation Trends
The World Resources Institute, in collaboration with the University of Maryland, has released data revealing that the rate of tropical forest loss decreased by 36% in 2025. While these figures reflect a hopeful trend, experts acknowledge the inherent uncertainties of satellite data, which may not capture losses until the following year. Despite these limitations, scientists are confident in the overarching trajectory of forest conservation efforts.
The decline in forest loss is partly a result of reduced wildfire incidents, thanks to the cooler conditions associated with La Niña, which prevailed in 2024. Additionally, targeted interventions in countries such as Brazil, Colombia, and Malaysia have played a pivotal role in curtailing deforestation rates. Elizabeth Goldman, co-director of Global Forest Watch at the World Resources Institute, expressed optimism about the findings, stating, “It’s incredibly encouraging to see the decline in 2025. This highlights how, when there is political will and leadership focused on forest conservation, tangible results can be achieved.”
Brazil’s Environmental Initiatives
Brazil, which houses the largest rainforest on the planet, has demonstrated the effectiveness of stringent environmental policies and law enforcement in mitigating deforestation. Excluding fire-related losses, an estimated 5,700 square kilometres (2,200 square miles) of old-growth tropical forest were lost in Brazil last year—the lowest figure recorded since monitoring began in 2002. Tropical rainforests are critical ecosystems, hosting millions of species and acting as significant carbon sinks that help regulate the planet’s temperature.
However, these vital environments are increasingly under siege due to decades of deliberate land clearing for agriculture, logging, and the adverse impacts of climate change, which create conditions conducive to widespread and intense wildfires. The dual threats from these factors necessitate urgent action to safeguard and rehabilitate forest ecosystems.
The Looming Threat of El Niño
Looking ahead, researchers are increasingly concerned about the potential resurgence of forest fires due to the arrival of the El Niño weather pattern later this year. The combination of climate change and this new climatic phase may heighten the risk and severity of wildfires. “Climate change and land clearing have shortened the fuse on global forest fires,” warned Professor Matthew Hansen from the University of Maryland. He emphasised the need for immediate action to manage fire risks effectively, stating, “Without urgent action to address these challenges, we risk pushing the world’s most important forests past the point of recovery.”
In a related report, the EU’s Copernicus Climate Service highlighted how climate change has intensified heatwaves, wildfires, and droughts across Europe. In 2023, at least 95% of the continent experienced above-average temperatures, contributing to the devastation of over 10,000 square kilometres (4,000 square miles) of land due to wildfires. The report noted that even traditionally cooler areas were not spared, with Alpine glaciers continuing to melt and temperatures in the Arctic Circle soaring to unprecedented levels.
Moving Forward: The Global Commitment
The urgency of the situation is underscored by world leaders’ commitments made during the COP26 climate summit in Glasgow in 2021, where they pledged to “halt and reverse” forest loss by 2030. However, the path to fulfilling this commitment remains fraught with challenges. The alarming rate of forest loss witnessed in 2024 serves as a stark reminder of the work that lies ahead.
Rod Taylor, the global director for forest and nature conservation at the World Resources Institute, remarked, “Forests are well equipped to cope with normal climate conditions. However, with the emergence of severe fires and drought, we must rethink strategies to bolster forest resilience against these threats.”
Why it Matters
The trajectory of global forest loss is not just an environmental issue; it is a critical factor in the fight against climate change and biodiversity loss. Tropical forests are indispensable for maintaining ecological balance, supporting diverse species, and sequestering carbon dioxide. The recent decline in deforestation rates offers a glimmer of hope, yet the looming threats from climate change and El Niño underscore the urgent need for sustained global action. As nations strive to meet their climate commitments, the resilience of these vital ecosystems hinges on collaborative efforts to implement effective conservation policies and practices.
