Global warming is an increasingly pressing environmental issue, with significant impacts on biodiversity worldwide. The increase in the earth’s average temperature creates drastic changes in ecosystems, affecting flora and fauna species as well as the existing biological balance. One of the main impacts of global warming is the loss of natural habitat. Climate change causes shifts in climate zones which result in many species not being able to adapt quickly. For example, fish species usually found in cold waters are now moving north, leaving their native areas. In many cases, species that cannot migrate or adapt to their environment experience declines in numbers or even become extinct, as is the case with various coral species that are sensitive to rising sea temperatures. Additionally, rising temperatures result in changes in extreme weather patterns, including more frequent floods, droughts and storms. These changes not only threaten the sustainability of species but also affect the resilience of ecosystems. For example, plants that depend on certain rainfall can die, disrupting the food chain and causing a domino effect on other species, from herbivores to apex predators. Biodiversity is also threatened by increasing concentrations of carbon dioxide (CO2) in the atmosphere, leading to increased acidity of the oceans. As a result, marine organisms such as molluscs and coral reefs are affected and have difficulty in building hard shells and structures. Given that coral reefs support rich marine ecosystems, their loss means loss of habitat for thousands of species of fish and other organisms. Furthermore, the invasion of alien species is increasing due to global warming. The neutralization of these new species can damage existing local ecosystems by competing for resources or becoming predators of native species. A clear example is the spread of species such as catfish and pythons in certain areas, leading to drastic reductions in local species populations. In a conservation context, the impacts of global warming drive the need for responsive and adaptive management strategies. Efforts to strengthen migration corridors, create protected areas, and carry out habitat restoration are essential. Monitoring and research programs are needed to understand how species interact with climate change and to formulate appropriate policies. Threatened biodiversity also affects human health and economic sustainability. Loss of species results in the loss of important resources, such as plant-derived medicines, as well as reduced food security due to declining populations of marine and terrestrial species. All of this shows the importance of joint efforts to address global warming in order to maintain well-functioning ecosystems. Climate change is not only a challenge for nature, but also for us as part of a larger ecological system. The catch is vast, making understanding and acting on global warming critical in protecting biodiversity for future generations.