Coral reefs are the Earth's most biodiverse and productive ecosystems. Coral reefs also provide natural protection from sea waves and hurricanes. Despite their importance, coral reefs are declining at an unprecedented rate. Explore the actions needed to save the corals, and ultimately,the oceans. Supreme Master Ching Hai warned: “There are many factors that affect coral reefs, global warming is the greatest threat.” The fastest way to end the root cause of global warming is an organic plant-based diet.