Climate change significantly affects global ecosystems by altering temperatures, weather patterns, and sea levels. Rising temperatures lead to habitat shifts, forcing species to migrate or face extinction. Ocean warming and acidification disrupt marine life, threatening coral reefs and fisheries. Melting polar ice caps contribute to sea-level rise, endangering coastal ecosystems and biodiversity. Extreme weather events like droughts, floods, and wildfires degrade ecosystems, reducing their resilience. Additionally, changes in precipitation affect plant growth and water availability, impacting both wildlife and agriculture. These disruptions threaten the balance of ecosystems, leading to cascading effects on biodiversity and human livelihoods.