just 1.25 per cent of the carbon dioxide in the atmosphere-ocean system has been released by ­humans in the past 250 years.
just 1.25 per cent of the carbon dioxide in the atmosphere-ocean system has been released by ­humans in the past 250 years.
carbon dioxide:203
the oceans act as an enormous carbon sink, and have taken up about a third of co 2 emitted by human activity.