13 January 2021, ABC: As the Arctic melts, a regime shift is taking place. The Arctic is changing faster than any environment on Earth. The old order is being swept away, leaving scientists to ask: What’s coming in its place? Where there was once ice, there is now open ocean. Milky swirls of plankton, hundreds of kilometres in length, now bloom where polar bears once roamed. It is a spectacular sight looking down from space. The Arctic is exploding with new life — but not as we know it. Microscopic phytoplankton is the foundation of the marine food chain. It has increased in abundance in the Arctic by more than 50 per cent since the 1990s. Last August, plankton numbers in the seas north of Siberia increased by 600 per cent. Read more here