Climate change is a global phenomenon that has a significant impact on biodiversity. Changing temperatures, rainfall patterns, and the increasing frequency of natural disasters are creating serious challenges for ecosystems around the world. Biodiversity, which includes various species of flora and fauna, plays an important role in maintaining ecosystem balance and supporting human life. Rising global temperatures have led to warming of the oceans, which has an impact on coral reefs. Coralls that are sensitive to temperature changes can experience bleaching, potentially causing habitat loss for various fish species. Research shows that more than 50% of the world’s coral reefs are experiencing serious damage due to climate change, threatening 1 million species. In addition, changes in rainfall patterns cause changes in the distribution of plants and animals. Plants that cannot adapt quickly to new conditions may experience population declines, while invasive species may take over abandoned habitats. This has the potential to reduce genetic diversity, which is important for ecosystem resilience. Species migration is also a consequence of climate change. Many animals, such as birds and mammals, move to colder areas. These movements can cause conflict with local species and impact food webs. In some cases, species that cannot migrate may face extinction. Habitat loss due to human development, such as deforestation and urbanization, is accelerated by climate change. Forests are an important carbon sink and home to many species. When forests are cut down for agricultural land or development, species that depend on those forests become threatened. This makes forest protection a crucial step to maintain biodiversity. The impact of climate change is also visible in shifts in the timing of the growing season. Flora that depend on seasonal patterns for flowering and fruiting may experience timing mismatches with pollinator numbers shortening, disrupting reproductive cycles. For example, flowers can bloom early, while the insect invaders are still in the hibernation phase. Food security is becoming an important issue due to climate change. With plant species threatened by extreme temperatures and new diseases, agricultural productivity may decline. This increases the risk of economic instability and famine in many parts of the world. Conservation efforts are very important to protect threatened biodiversity. The construction of protected areas, habitat restoration, and adaptation strategies for threatened species are urgently needed. In addition, public awareness of the importance of biodiversity must be increased through education and sustainability programs. Technological innovations such as the use of satellite data and biotechnology can help monitor and conserve threatened species. Big data analysis allows researchers to better understand ecosystem changes and formulate effective strategies. Through pro-environmental public policies and international collaboration, we can reduce the negative impacts of climate change on biodiversity. Changing human behavior to reduce carbon footprints also plays an important role in maintaining ecosystem balance. Every small action in everyday life, such as reducing plastic use and promoting organic farming, can have a big impact on supporting biodiversity. Society must play an active role in preserving biodiversity for the survival of all living things on earth.