Ocean acidification

Ocean acidification

11:01 | Professor Ove Hoegh-Guldberg explains the threat that increased CO2 poses to marine organisms as it dissolves into the ocean.

Rob Dunbar: The threat of ocean acidification

Rob Dunbar: The threat of ocean acidification

18:45 | Rob Dunbar hunts for data on our climate from 12,000 years ago, finding clues inside ancient seabeds and corals. His work is vital in setting baselines for fixing our current climate — and in tracking the rise of deadly ocean acidification.