The impact of global climate change on ecosystems is very broad and complex. Every year, rising global temperatures, melting ice caps, and changing weather patterns change the way ecosystems function. One of the main impacts is habitat shift. Many species cannot adapt quickly to changes in temperature or weather conditions, and are forced to migrate to new areas. This can result in land that was once fertile becoming uninhabitable for certain species, including fauna and flora. Climate change is also increasing the frequency and intensity of extreme weather. Disasters such as floods, droughts and tropical storms can destroy natural habitats. For example, mangrove forests that function as protection from storms can be damaged due to rising sea levels. Plants that are unable to withstand higher water acidity or extreme temperature differences will likely become extinct. In addition, climate change is accelerating the process of species extinction. According to research, around 1 million species are currently at risk of extinction in the near future, many of which are affected by climate change. As a result, the food chain is disrupted, making it difficult for both predators and prey to find a stable food source. This loss of biodiversity reduces the competitiveness of ecosystems against various stressors, including disease and invasion by alien species. Water systems are also affected. Higher water temperatures trigger the bleaching of coral reefs, endangering the marine life that depends on them. A change in the composition of plankton species can also disrupt marine ecosystems. On land, mountain ecosystems are now at risk where endemic species may not be able to move to higher altitudes. The impact on the ecosystem is not only limited to flora and fauna but also affects humans. Agriculture is under threat due to erratic rainfall patterns. This causes food scarcity which can trigger a social and economic crisis. Decreasing biodiversity also reduces people’s ability to obtain medicines and other resources critical to health. Climate change also affects interactions between species. For example, changes in plant flowering times can disrupt the life cycle of pollinators such as bees. Mismatches in this schedule can lead to a decline in pollinator populations, which in turn affects food production. Ecosystems also function as carbon suppliers, absorbing CO2 from the atmosphere. By destroying forests and other ecosystems that sequester carbon, we risk worsening climate change. Therefore, ecosystem protection is very important in climate change mitigation efforts. All these impacts show that climate change is not only an environmental responsibility but also reflects deep social and economic problems. Mitigation through conservation, restoration and adaptation efforts is very necessary to maintain the sustainability of ecosystems and the balance of our planet.