EnvironmentCollapse of key ocean current may release billions of tonnes of carbon If the Atlantic Meridional Overturning Circulation shut down, the knock-on effects could release hundreds of billions of tonnes of CO2, raising global temperatures even further News
VideoPitcairn Islands lead UK's ocean conservation efforts Graham Lawton visits the Pitcairn Islands to see how they are helping the UK exceed the global target of protecting 30 per cent of its ocean surface Video