Oceans are a bellwether for the planet’s health, absorbing over 90% of the sun’s energy. They demonstrate the extent to which rising temperatures are threatening coral reefs and other vital ecosystems that support biodiversity. In 2016 and 2017, an abrupt rise in surface temperatures in the Pacific Ocean caused mass bleaching on an unprecedented scale. Australia’s Great Barrier Reef was especially hard-hit.
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Source: Phys.org