Climate change has become one of the greatest challenges to the survival of life on this planet. The impact is very broad, especially on biodiversity. One of the main aspects is global warming, which causes changes in temperature and weather patterns. Species that are unable to adapt quickly to these changes are likely to experience population decline or even extinction. For example, mammals in the Arctic, such as polar bears, are greatly affected by the melting of the sea ice in which they live. Climate change also impacts the life cycles of species. Many animals and plants adjust their migration or flowering times based on temperature and weather. If this pattern is disrupted, there can be mismatches in timing between predators and prey, or between plant pollination and flower emergence, ultimately affecting the reproduction and survival of the species. Natural habitats, such as tropical rainforests or coral reefs, are particularly vulnerable to climate change. Rising sea temperatures cause coral reef bleaching, while deforestation to make way for agricultural land reduces living space for many species. With habitat loss, many species are forced to adapt, move to new areas, or face extinction. In addition, climate change also affects interactions between species. Many predators, for example, are experiencing the pressure of reduced prey due to climate change. By removing species from their habitat, the food chain is disrupted, which leads to wider impacts in the ecosystem. Another factor to consider is the increase in the frequency and intensity of natural disasters. Increasingly severe floods, droughts and storms are disrupting natural habitats, impacting species that depend on these ecosystems. Additionally, climate change often accelerates the spread of invasive species, threatening the existence of more vulnerable local species. When biodiversity is threatened, not only the species themselves are affected, but also the ecosystem functions and services they offer. Healthy ecosystems provide a variety of services, such as carbon sequestration, temperature regulation, and food provision. With the loss of species, the ability of ecosystems to function properly is also reduced, which has a direct impact on human quality of life. Mitigation and adaptation steps need to be taken to deal with the impact of climate change on biodiversity. Habitat conservation, ecosystem restoration, and reducing greenhouse gas emissions are some of the strategies that need to be implemented. Awareness and collective action from communities, governments and international organizations is essential to ensure that biodiversity can survive these challenges. Protecting biodiversity is not only an environmental responsibility, it is also important for human well-being. We need to understand the link between planetary health and human health and invest in sustainable practices to keep the planet’s diverse species alive.