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| Oceans are 'soaking up less CO2' | Oceans are 'soaking up less CO2' |
| (about 10 hours later) | |
| The amount of carbon dioxide being absorbed by the world's oceans has reduced, scientists have said. | The amount of carbon dioxide being absorbed by the world's oceans has reduced, scientists have said. |
| University of East Anglia researchers gauged CO2 absorption through more than 90,000 measurements from merchant ships equipped with automatic instruments. | University of East Anglia researchers gauged CO2 absorption through more than 90,000 measurements from merchant ships equipped with automatic instruments. |
| Results of their 10-year study in the North Atlantic show CO2 uptake halved between the mid-90s and 2000 to 2005. | Results of their 10-year study in the North Atlantic show CO2 uptake halved between the mid-90s and 2000 to 2005. |
| Scientists believe global warming might get worse if the oceans soak up less of the greenhouse gas. | Scientists believe global warming might get worse if the oceans soak up less of the greenhouse gas. |
| Researchers said the findings, published in a paper for the Journal of Geophysical Research, were surprising and worrying because there were grounds for believing that, in time, the ocean might become saturated with our emissions. | Researchers said the findings, published in a paper for the Journal of Geophysical Research, were surprising and worrying because there were grounds for believing that, in time, the ocean might become saturated with our emissions. |
| 'Saturated' ocean | 'Saturated' ocean |
| BBC environment analyst Roger Harrabin said: "The researchers don't know if the change is due to climate change or to natural variations. | BBC environment analyst Roger Harrabin said: "The researchers don't know if the change is due to climate change or to natural variations. |
| "But they say it is a tremendous surprise and very worrying because there were grounds for believing that in time the ocean might become 'saturated' with our emissions - unable to soak up any more." | "But they say it is a tremendous surprise and very worrying because there were grounds for believing that in time the ocean might become 'saturated' with our emissions - unable to soak up any more." |
| He said that would "leave all our emissions to warm the atmosphere". | He said that would "leave all our emissions to warm the atmosphere". |
| Of all the CO2 emitted into the atmosphere, only half of it stays there; the rest goes into carbon sinks. | Of all the CO2 emitted into the atmosphere, only half of it stays there; the rest goes into carbon sinks. |
| There are two major natural carbon sinks: the oceans and the land "biosphere". They are equivalent in size, each absorbing a quarter of all CO2 emissions. | There are two major natural carbon sinks: the oceans and the land "biosphere". They are equivalent in size, each absorbing a quarter of all CO2 emissions. |
| Put a question to Polar explorer Pen Hadow |