Global climate change is one of the greatest challenges faced by life on Earth. The impact covers all aspects of the ecosystem, directly or indirectly affecting existing biodiversity. Biodiversity, which includes variations in species, genes and ecosystems, is essential to maintaining the balance of nature and the health of the planet. One of the main impacts of climate change is global warming. Rising average temperatures cause changes in the natural habitats of many species. For example, species that are used to living in cold areas such as penguins and polar bears are forced to move to colder areas. If you cannot adapt quickly, the possibility of extinction becomes greater. In addition, climate change is resulting in shifts in rainfall patterns. With these changes, some areas experience extreme drought, while others are flooded. These changes are detrimental to local ecosystems, especially for species that depend on certain environmental conditions. Endemic plants that cannot tolerate new conditions may experience drastic declines in numbers, which in turn affects herbivorous and predatory species on them. Another threat comes from increasing levels of carbon dioxide (CO2). Higher CO2 levels can affect plant photosynthesis rates, but the long-term effects on biodiversity are still not fully understood. Some species can benefit from increased CO2, but others that don’t adapt could face extinction. Climate change also drives the spread of invasive species. When temperatures and rainfall patterns change, certain species may move to new areas where they have no natural predators. These invasive species often compete with local species for resources, destroying habitats and reducing biodiversity. In the oceans, warming seawater and ocean acidification caused by increased CO2 are also having a major impact. Coral reefs, which are ecosystems rich in biodiversity, face high risks due to bleaching. When water temperatures rise, the zooxanthellae that give coral reefs their color come out, causing corals to turn white and die. Stronger typhoons and the increased frequency of extreme weather have the potential to destroy habitats, such as forests and wetlands, that are home to many species. This loss of habitat is not just a matter of shelter, but also affects access to food and the reproductive cycles of various species. Observation of the data shows that species and flora also show signs of change with migration to higher altitudes or further north to find a more suitable climate. Although some species can adapt, this migration cannot always be carried out by all organs under the auspices of fauna and flora. This negative impact on biodiversity is not just an environmental problem, but also has an impact on humans. Loss of species can disrupt food chains and affect food security. Many communities depend on certain species for their livelihoods, especially those related to agriculture and fishing. Overall, the impact of climate change on biodiversity is a complex and interrelated challenge. Efforts to reduce greenhouse gas emissions, protect natural habitats, and increase public awareness are critical to preserving biodiversity on our planet. Because the future of humans and healthy ecosystems depends greatly on the health of biodiversity.