Agence France-Presse: Ocean acidification driven by climate change is stripping away the protective shell of tiny yet vital organisms that absorb huge amounts of carbon pollution from the atmosphere, a new study has revealed. Since the start of the Industrial Revolution, the calcium carapace of microscopic animals called foraminifera living in the Southern Ocean have fallen in weight by a third, the study found. The amoeba-like organisms, about the size of a grain of sand, live in the surface waters …