As the world gathers in Copenhagen over the coming weeks to discuss how much carbon dioxide people should be putting into the atmosphere, the Benguela Stream will be docking in the Windward Isles to bring bananas to Europe for Christmas, and doing her bit to help ascertain where a large part of that CO_2 ends up. The world's oceans and plants absorb about 60% of the CO_2 emitted as a result of human activities, which has helped keep the extent of climate change in check over the past century or so. But exact figures are hard to come by. Estimates of just how much carbon ends up in plants, in soil and in the oceans are frustratingly sketchy.
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