The Great Barrier Reef is located off the coast of Australia and is over 1,400 miles long. It is home to over 1,500 species of fish, 400 species of coral, and 133 species of sharks and rays.

Coral bleaching is caused by a rise in ocean temperatures. When the water gets too warm, the coral expels the algae that live in its tissues. This causes the coral to turn white and become more susceptible to disease and death.

Overfishing is the main threat to coral reefs in the Caribbean. When fish are removed from the reef, it can disrupt the delicate balance of the ecosystem. This can lead to an increase in algae, which can smother the coral and prevent it from getting sunlight.

All of the above actions are necessary to protect coral reefs. Reducing greenhouse gas emissions will help to slow the rate of climate change and reduce coral bleaching. Reducing pollution will help to improve water quality and reduce the amount of nutrients that can feed algae. Reducing overfishing will help to maintain the balance of the ecosystem and prevent the spread of algae.

The future of coral reefs is uncertain. If we continue to emit greenhouse gases at the current rate, coral reefs will likely experience more bleaching and death. However, if we take action to reduce greenhouse gas emissions, pollution, and overfishing, we can help to protect coral reefs and ensure their survival.