Climate change is one of the most important challenges of this century, with significant impacts on biodiversity. Rising global temperatures, changing rainfall patterns, and the increasing frequency of natural disasters are resulting in a decline in natural habitats, affecting fauna and flora species throughout the world. One way climate change affects biodiversity is through global warming. With rising temperatures, many species have had to adapt or move to cooler areas. For example, fish species in Arctic seas have limited ability to migrate, making them vulnerable to changes in water temperature. On the other hand, flora such as flowering plants are also affected; seasonal changes can disrupt their life cycle, reducing reproductive opportunities. Changing rainfall patterns also contribute significantly to the impacts of climate change. In some areas, erratic rainfall can lead to drought, reducing the availability of water for life. Tropical forest ecosystems, for example, depend on stable rain patterns for the growth and maintenance of species. When drought occurs, competition for resources becomes fiercer, which can be deadly for weaker or threatened species. Increasing the frequency and intensity of natural disasters is also one of the impacts of climate change. Floods and storms can destroy habitats and push species to the brink of extinction. For example, coral reefs exposed to warming and reduced water quality due to storms cause major damage to marine ecosystems, with long-term consequences for the species that depend on them. Additionally, climate change is contributing to increased invasions of alien species. When local temperatures and climate change, invasive species can adapt more quickly than native species. This can result in a decline in ecosystem conditions and affect interactions between species. These alien species are often more aggressive, causing detrimental competition for native species. The impacts of climate change are not limited to terrestrial species. Marine ecosystems are also under significant pressure. Ocean acidification, the result of the absorption of carbon dioxide, affects the health of coral reefs and other marine organisms, such as molluscs. This impact has the potential to reduce biodiversity and destroy food sources for millions of people around the world. Mitigation and adaptation strategies are needed to reduce the impact of climate change on biodiversity. Habitat conservation, restoration of damaged ecosystems, and adoption of sustainable agricultural practices can help protect threatened species. At the global level, agreements such as the Paris Agreement provide a framework for addressing climate change, but concrete action on the ground is urgently needed to achieve the desired results. It is important to understand that biodiversity plays a critical role in maintaining ecosystem balance and human well-being. Conservation of species and habitats must be a top priority, along with ongoing climate change mitigation efforts. Without healthy biodiversity, the ability of ecosystems to provide essential services such as climate regulation, food provision, and water filtration is threatened.