'Planetary boundary' of ocean acidification already crossed, study finds

As world leaders gather in the city of Nice in France this week for the UN Ocean conference, experts are raising concerns about the acidification of the high seas - a phenomenon that is having a damaging affect on marine life. A new study published on Monday found that the Earth's oceans are acidifying faster than previously believed. The World's Carolyn Beeler learned more from Helen Findlay, the study's lead author.