Ocean acidification, the well-documented increase in ocean acidity resulting from increasing atmospheric carbon dioxide, poses threats to ocean ecosystems that are not yet fully understood. Join ocean chemist Andreas Andersson as he explains the basics of ocean acidification and how his research is allowing him to monitor the function and health of coral reef systems as the ocean changes. Series: "Jeffrey B. Graham Perspectives on Ocean Science Lecture Series" [Science] [Show ID: 25709]