Climate change is a global problem that has a significant impact on biodiversity. Extreme weather conditions, increasing global temperatures, and changing rainfall patterns have a direct impact on ecosystems and the species that inhabit various habitats. Below are some of the main impacts of climate change on biodiversity. First, increasing global temperatures disrupt the balance of ecosystems. Many species have limited temperature tolerance ranges. When temperatures exceed these limits, species cannot survive and are forced to move to colder areas. For example, fish species in the ocean may experience population declines as water temperatures increase. The existence of endemic species in cold areas, such as in the mountains, is threatened with extinction if they cannot move to new places. Second, changes in rainfall patterns affect the availability of water and natural resources. Some areas are experiencing more severe drought, while others are facing flooding. Plants and animals that depend on certain rainfall patterns are unable to adapt quickly. For example, plant species that are unable to survive drought conditions may decline in numbers and even become extinct, impacting the herbivore species that depend on those plants. Third, increasing CO2 concentrations also have an impact on biodiversity. Increased CO2 accelerates the rate of photosynthesis in certain plants, causing dominance of those species and reducing plant species diversity. This can disrupt food chains and affect species at various trophic levels. In marine ecosystems, the absorption of CO2 by the ocean causes water acidification which has a negative impact on organisms that have shells, such as corals and mollusks. Fourth, species migration is a big issue in climate change. Species that cannot move quickly with changes in habitat can experience extinction. Obstacles in migration are caused by habitat fragmentation due to human development, such as housing, roads and agriculture. The closure of these migration routes limits the species’ ability to adapt to new conditions. Furthermore, climate change also affects interactions between species. For example, pollination of plants by insects is disrupted when the flowering time of plants is not synchronized with when insects appear due to changes in temperature. This can disrupt plant reproduction and reduce biodiversity. Lastly, human activities that trigger climate change, such as deforestation and pollution, further worsen this condition. Forest loss not only limits habitat but also increases greenhouse gas emissions. Restoring forests and protecting conservation areas is becoming increasingly important to protect biodiversity and combat climate change. The impacts of climate change on biodiversity are complex and interrelated. Proactive mitigation and adaptation measures are essential to protect threatened species and maintain ecosystem balance in the future. Global action is needed to address this problem and protect biodiversity worldwide.