Coral Reefs Facts

• Coral reefs are among the oldest ecosystem on Earth.
• Coral reefs are the argest living structure on the planet.
• Although coral reefs cover less then 1% of the Earth's surface, they are home to 25% of all marine fish species.
• 500 million people rely on coral reefs for their food and livehoods.
• Coral reefs form natural barriers that protect nearby shorelines from the eroding forces of the sea, thereby protecting coastal dwelling, agricultural land and beaches.
• Without the existence of coral reefs, parts of Florida would be under water.
• Coral reefs have been used in treatment of cancer, HIV, cardiovascular diseases and ulcers.
• Corals' porous limestone skeletons have been used for human bone grafts.
• It is estimated that coral reefs provide $375 billion per year around the world in goods and services.
• If the present rate of destruction continues, 70% of the world's coral reefs will be destroyed by the year 2050.