The greenhouse gas carbon dioxide is acidifying the oceans. The first victims could be cold-water coral, which are believed to populate the edges of all continental shelves. Another endangered species is the plankton in the open oceans — the basic building block of the marine food chain.
The Skagerrak strait is a gray body of water in March. But under the waves, at a depth of 100 meters (328 feet), an underwater Garden of Eden is growing. Whitish hard corals glint in the beam of the headlights of the Jago, a research submersible. Rosefish and bibs flit by. The coral reefs are home to sea stars, sea urchins, sea squirts, long-legged crabs and yellowish sponges. … More
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