Thought you understood the basics of the climate change debate, melting permafrost, spreading deserts, flooding coastal zones, thin polar bears? Get ready for a whole new stage in the debate. The real change, Bristol University scientists report, is in the seas. Oceans soak up much of the carbon dioxide pumped out by industrial society. The results: rising acidification and likely mass extinctions. By the way, Canadian author Alanna Mitchell’s new book Sea Sick expands on the sort of research discussed in this alarming story from Britain.