The impact of climate change on global biodiversity is increasingly visible and is becoming a major concern in various circles. An increase in the Earth’s average temperature, changes in rainfall patterns, an increase in the frequency of natural disasters, and a decrease in habitat quality contribute significantly to the decline in biodiversity. One of the most obvious impacts is habitat loss. Deforestation and pollution reduce the living area for many species. Forests, which are home to 80% of terrestrial biodiversity, are threatened by land clearing for agriculture and settlements. According to a UN report, more than 1 million species are threatened with extinction due to habitat loss exacerbated by climate change. In addition, climate change affects the migration and reproductive patterns of species. Many animals depend on temperature and season to determine migration and mating times. As the climate changes, this time becomes out of sync. For example, migratory birds that arrive early at breeding grounds risk food shortages if the food they rely on, such as insects, does not appear at the same time. Climate change also has an impact on marine ecosystems. Rising sea surface temperatures and the absorption of carbon dioxide cause a decrease in ocean pH, resulting in acidification. This stresses corals and other marine organisms, which can lead to the destruction of coral reefs. Coral reefs support thousands of species of fish and marine organisms, so their impact is far-reaching. Genetic diversity is also threatened by global warming. Species that cannot adapt quickly to climate change will likely experience significant population declines, and this will reduce the genetic diversity that is important for the species’ future resilience. Without genetic diversity, a species’ ability to adapt to disease, pests, and environmental changes is limited. One obvious example is certain species that are forced to move to higher altitudes or to more northern latitudes to find cooler climates. This leads to isolated populations, thereby reducing genetic interactions between groups. This can lead to inbreeding, which in turn reduces the species’ ability to survive. Human activities increase the impact of climate change. Urbanization and industry accelerate greenhouse gas emissions, which exacerbate climate change. The agricultural sector also adapts in ways that have environmental impacts, such as using pesticides that can affect non-target species. The impact on biodiversity is very concerning and threatens the ecological system that functions to support life. Mitigation and adaptation measures are needed to overcome this problem. Sustainable management, habitat restoration and protection of areas important for biodiversity are key to ensuring the species’ future survival. Collective awareness and action from individuals, communities and global governments is critical to protecting our world’s biodiversity. Positive changes at the local level can have a big impact at the global level.