Global warming is a phenomenon resulting from an increase in the concentration of greenhouse gases in the atmosphere, leading to significant climate change. The impact is far-reaching, especially on biodiversity. Biodiversity includes variations in life forms, from genes, species, to ecosystems. When the earth’s temperature increases, a number of negative impacts are experienced, ranging from changes in habitat to the threat of species extinction. First, climate change causes habitat shifts. Certain species that cannot adapt quickly to rising temperatures and changing environmental conditions are forced to move to cooler areas. This movement can cause conflict between species, as they will compete for limited resources. For example, species that used to live in the Northern Hemisphere are now shifting towards the poles or rising to higher altitudes, resulting in habitat fragmentation. Second, global warming also causes an increase in the frequency and intensity of natural disasters, such as floods, forest fires and drought. This event not only destroys the habitat for the species but also reduces the availability of food. For example, burning forests create enormous habitat loss for many types of animals, from birds to large mammals, causing drastic population declines. Third, global warming has a direct impact on marine ecosystems. Rising sea temperatures contribute to the bleaching of coral reefs, which are important habitats for thousands of fish species. Loss of coral reefs not only impacts fish but also communities that depend on these ecosystems, including humans who rely on fishing for their livelihoods. Fourth, invasive species may thrive better under conditions resulting from global warming. When native species are pushed out by environmental changes, species that are more aggressive and resistant to new conditions can take over. The presence of these invasive species often adds pressure to threatened species, resulting in further declines in biodiversity. Fifth, the reproductive behavior of many species is also influenced by changes in temperature and rainfall patterns. Some animal and plant species may have difficulty adjusting the timing of their reproduction to food availability. For example, if flowers bloom earlier due to warming, but wasps have not yet woken up from hibernation, then there will be a lack of pollination. Sixth, global warming has health impacts on species, both animals and humans. Climate change can lead to increased spread of disease, where vectors such as mosquitoes can expand into previously uninfested areas. Poorer ecosystem health also means that species that depend on healthy mates and habitats experience more stress. Thus, the impact of global warming on biodiversity is very complex and varied. This challenge requires collective efforts for conservation, adaptation and mitigation, in order to preserve the diversity of life on our planet.