Ocean's Biological Carbon Pump (VIDEO) Woods Hole Oceanographic Institution This video is under embargo. Please login to access this video. Caption Scientists have long known that the ocean plays an essential role in capturing carbon from the atmosphere, but a new study shows that the efficiency of the ocean's "biological carbon pump" has been drastically underestimated. Credit Video by Elise Hugus, UnderCurrent Productions, © Woods Hole Oceanographic Institution Usage Restrictions with credit 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.