What major threats does the Great Barrier Reef face?

The Great Barrier Reef, off the coast of Queensland, Australia, is the world's largest coral reef system composed of over 3,000 individual reefs and 900 islands stretching for over 2,300 kilometers. It is home to an incredible diversity of marine life, including numerous species of fish, corals, sharks, and dolphins. However, it faces significant threats from climate change, ocean acidification, and pollution.