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World’s oceans losing their greenness through global heating, study finds.

 The world’s oceans are losing their greenness owing to global heating,
according to a study that suggests our planet’s capacity to absorb carbon
dioxide could be weakening. The change in the palette of the seas is caused by a decline of phytoplankton, the tiny marine creatures that are
responsible for nearly half of the biosphere’s productivity. The
findings, which also have alarming implications for oxygen levels and food
chains, are based on a groundbreaking study of daily chlorophyll
concentrations in low- to mid-latitude oceans from 2001 to 2023.

 Guardian 17th Oct 2025, https://www.theguardian.com/environment/2025/oct/17/worlds-oceans-losing-their-greenness-through-global-heating-study-finds

October 19, 2025 - Posted by Christina Macpherson | climate change, oceans