New Scientist - Ocean temperatures have been rising steadily for decades, with our seas having absorbed much of the excess atmospheric heat generated by our relentless burning of fossil fuels. But in March 2023, almost overnight, they suddenly skyrocketed. Temperatures have since remained well above normal, reaching “hot tub” levels in some places, with disturbing consequences that suggest we have pushed ocean ecosystems to breaking point.
As we report on “How climate change has pushed our oceans to the brink of catastrophe”, the rapid rate of these changes and the severity of the havoc they are causing have taken scientists by surprise. But it should also serve as a stark reminder that the impacts of climate change won’t necessarily be slow, predictable declines but sudden cascades with grave consequences, many of which we don’t fully understand.
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