BBC: There are substantial variations in the amount of carbon being absorbed by the North Atlantic Ocean, a study shows. Writing in Science, an international team of researchers said the ocean’s uptake of carbon varied by as much as 10% over the space of a few years. The data set, described as the largest of its kind, was gathered by devices fitted to a fleet of commercial ships. The world’s oceans are believed to absorb about half of the total carbon emissions from human …