Global warming, characterized by an increase in the Earth’s average temperature, has a significant impact on ecosystems around the world. In this context, climate change affects biodiversity, natural habitats and ecosystem balance in complex and interrelated ways. One of the main impacts of global warming is changes in weather patterns. These changes result in unpredictable rainfall and an increase in the frequency of natural disasters, such as floods and droughts. In many cases, flora and fauna species are unable to adapt quickly to these changing conditions. For example, some plants may have difficulty producing due to higher temperatures or lack of rainfall. Apart from that, marine ecosystems are also affected. Warming seawater contributes to the bleaching of corals, which are habitat for a large number of marine species. As water temperatures rise, corals’ tolerance for stress increases, often leading to mass mortality. This impacts the marine food chain and has the potential to disrupt the fishing industry that relies on this species. Habitat loss is also a direct effect of global warming. Forests that are exposed to changes in temperature and rainfall patterns result in increased vulnerability to forest fires. Forest fires not only destroy habitats, but also release trapped carbon, exacerbating global warming. Tropical rainforests, which are major carbon sinks, are critically threatened by land conversion for agriculture and development. Species that cannot adapt quickly to climate change are likely to experience population decline or even extinction. For example, animal species that depend on certain temperatures, such as polar bears, are threatened due to the loss of sea ice. These changes not only have an impact on single species, but also disrupt the symbiotic relationships between species in the ecosystem, which can lead to broader ecosystem collapse. Climate change is also changing animal migration patterns. Some species of birds, fish, and mammals change the direction and timing of their migration in response to changes in temperature and food availability. If this migration pattern is disrupted, there will be serious implications for the reproduction and survival of the species. The impact on plant health cannot be ignored. As temperatures increase, pests and diseases that are not usually a problem can multiply more quickly. This creates serious challenges for agriculture, potentially increasing food costs and hurting local economies. Overall, global warming exhibits complex and comprehensive impacts on ecosystems. Understanding these impacts is critical to creating effective mitigation strategies and protecting biodiversity and ecosystem balance for future generations. Conservation efforts, habitat rehabilitation and sustainable policies are vital in facing the challenges posed by climate change. Ecosystem sustainability, ultimately, depends on our current actions to reduce the impacts of global warming.