3 hours ago
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Scientists say climate change is driving a major and potentially permanent transformation in the Arctic Ocean, disrupting the marine food chain from the bottom up.
According to a new study, the rapid decline of Arctic sea ice has sharply reduced levels of nitrate, a nutrient essential for the growth of plankton that form the foundation of the region's ecosystem. Researchers warn that the shift could affect everything from fish and seabirds to marine mammals, w...
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