Climate change refers to long-term changes in Earth’s temperature and weather patterns. This phenomenon is caused by various factors, including increased greenhouse gas emissions due to human activities. The impact on biodiversity is striking, affecting ecosystems, species and natural balance. One of the main impacts of climate change is rising global temperatures. This increase in temperature affects the species’ natural habitat, resulting in a shift in the distribution of organisms. For example, many animal and plant species move towards colder regions, such as mountains and the poles, in search of more suitable temperatures. This process can lead to habitat fragmentation and population isolation, which risks triggering extinction. Apart from that, climate change also affects rainfall patterns. Some areas experience more frequent droughts, while others face flooding. Droughts can reduce water and food sources for many species, while floods can destroy habitats and change the structure of ecosystems. For example, many fish species that breed in fresh waters are severely affected by these changes in water levels, which can disrupt their reproductive cycles. In addition, climate change has an impact on the resilience of ecosystems to invasion by alien species. When local ecosystems are disturbed, non-native species often take over, threatening native species. For example, in coral reef ecosystems, higher water temperatures cause severe coral bleaching, providing opportunities for invasive species to thrive and harm local species. Genetic diversity is also threatened by climate change. Population reductions due to local extinctions can reduce genetic variation that is important for the future survival of the species. As a result, species may become more susceptible to disease and pests, reducing their chances of adapting to further environmental changes. Furthermore, climate change also impacts the life cycle timing of species. Many animals and plants rely on environmental signals, such as temperature or light, to determine when to migrate or flower. If these signals change, for example, flowers may bloom earlier, while stalking insects may emerge at different times, disrupting the predator-prey relationship. Climate change also has implications for agriculture and food sources. Rising temperatures and changes in weather patterns can result in crop yield loss, reduced soil quality, and increased pest attacks. This could threaten global food products and worsen the food security crisis. Therefore, it is important to take effective mitigation and adaptation measures. Conservation efforts, habitat restoration, and reducing greenhouse gas emissions are key steps to protect biodiversity from the damaging effects of climate change.