A recent study has found that all of the world's coral reefs could be gone by 2050. If lost, 500 million people's livelihoods worldwide would be threatened.
The World Resources Institute report, "Reefs at Risk Revisited," suggests that by 2030, over 90 percent of coral reefs will be threatened. If action isn't taken soon, nearly all reefs will be threatened by 2050. Jane Lubchenco, administrator of the National Oceanic and Atmospheric Administration states, "Threats on land, along the coast and in the water are converging in a perfect storm of threats to reefs."

Full story

Coral Reefs May Be Gone By 2050: Study