Global forest fires are an increasing environmental problem, with significant impacts on ecosystems throughout the world. These fires are caused by natural factors such as lightning, but most are triggered by human activities, such as deforestation and land clearing for agriculture. In this context, it is important to understand the impact of forest fires on ecosystems in depth. One of the main impacts of forest fires is habitat loss. Fires that hit tropical forests, for example, cause the loss of habitat for various species of flora and fauna. Especially in regions such as the Amazon and Indonesia’s rainforests, fires result in significant declines in biodiversity. Endangered species, such as orangutans and tigers, are experiencing drastic population declines due to loss of their homes. In addition, forest fires have a negative impact on air quality. The smoke produced from fires contains dangerous particles and greenhouse gases such as carbon dioxide (CO2) and carbon monoxide (CO). This not only affects human health, but also impacts the global climate. Rising greenhouse gas concentrations contribute to global warming, further exacerbating climate change. Forest fires also change the hydrological cycle. Forests play an important role in absorbing rainwater and retaining soil moisture. When forests burn, not only is groundwater threatened to decrease, but soil erosion also increases. Soil that is not covered by vegetation becomes more susceptible to leaching, allowing fertile soil to disappear and resulting in reduced soil productivity. Ecosystems affected by forest fires also experience structural changes. Vegetation regeneration after fire can produce different species than before. In some cases, this can lead to the invasion of more aggressive alien species, changing the balance of the ecosystem. The presence of these species can discriminate against native species and further reduce biodiversity. Apart from the ecological impact, forest fires have social and economic impacts. Communities that depend on forests for life, such as farmers and indigenous communities, often lose important resources due to fires. This can lead to social conflict, especially when governments shift attention away from forest restoration and focus more on economic rehabilitation. The psychological impact caused by fires cannot be ignored either. Fear of repeated fires can affect the mental health of individuals living in vulnerable areas. Uncertainty about the future of their environment and way of life causes stress and anxiety. One solution to reduce the impact of forest fires is through sustainable forest management. Practices such as reforestation and conservation can help restore affected ecosystems. Global awareness also needs to be increased regarding the importance of forest protection through education and advocacy campaigns. Overall, global forest fires have broad and complex impacts on ecosystems. A deep understanding of these consequences can help in creating effective mitigation strategies to protect our environment.