Forest fires are an increasingly frequent phenomenon worldwide, with a significant impact on the global climate. In regions such as the Amazon, Australia and Siberia, forest fires are occurring with increasing intensity, often fueled by extreme weather and human activities. One of the main impacts of forest fires is the release of carbon dioxide (CO2) into the atmosphere. When trees and vegetation burn, they release carbon stored over the years, which contributes to the greenhouse effect. Scientists estimate that forest fires account for nearly 20% of global CO2 emissions. This increase in greenhouse gas emissions exacerbates climate change, triggering higher earth temperatures and disrupting weather patterns. Forest fires also affect air quality. The resulting smoke contains harmful particles that can cause respiratory problems, increase the risk of heart disease, and worsen existing health conditions. Additionally, forest fire smoke can spread to neighboring countries, affecting the health of people far from the fire site. From a biodiversity perspective, forest fires threaten the habitat of a number of species. Many flora and fauna are unable to adapt quickly to environmental changes caused by fires, which can lead to local extinctions and reduce biodiversity. This habitat limitation also has implications for the ecosystem as a whole, which functions as a buffer against climate change. Apart from environmental impacts, forest fires have a negative impact on the economy. Responses to fires often require high costs for extinguishing, rehabilitating and restoring ecosystems. The agricultural sector is also feeling the impact of climate change caused by forest fires, with reduced yields due to extreme weather and reduced soil quality. Mitigation of forest fires is very important on the global agenda. Reducing emissions from this sector is key to achieving greenhouse gas reduction targets. Investments in sustainable forest management and ecosystem restoration can help reduce fire occurrence. In addition, educating the public about the impacts and prevention of fire is very important to protect the environment and human health. Forest fires and their impact on climate are global issues that require serious attention from various stakeholders. International collaboration and stricter policies against deforestation and unsustainable agricultural practices can help minimize the risk of forest fires increasing again in the future. Conservation and research efforts are also important to better understand the impacts of forest fires and measurable solutions to this problem. By protecting forests and creating effective mitigation strategies, we can protect the global climate and the sustainability of natural resources for future generations.