The ocean is changing colors, researchers say. Here’s what it means.

Warming ocean waters are changing their colors, becoming greener at the poles and bluer at the equator due to shifting chlorophyll levels from phytoplankton, according to a study published in Science. This trend could disrupt marine food webs and impact fisheries, particularly in low to middle-income nations dependent on commercial fishing, as chlorophyll concentration is influenced by warming seas.

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