The Arctic Ocean may have crossed an irreversible chemical tipping point, with climate-driven sea ice loss now disrupting the food chain from plankton to fish, seabirds and marine mammals.
New research led by the University of Edinburgh suggests the loss of Arctic sea ice has triggered a sharp decline in nitrate, a key nutrient needed by plankton at the base of the marine ecosystem
https://www.energylivenews.com/2026/05/28/has-arctic-hit-a-climate-change-tipping-point/
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