Coral decline (IMAGE) Arizona State University Caption A new study traces the ancient history of Caribbean coral reefs and pinpoints more recent effects that began in the 1950s before the current climate change crisis. Credit Katie Cramer, Arizona State University Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.