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 The climate crisis has tripled the length of ocean heatwaves, study finds.

 The climate crisis has tripled the length of ocean heatwaves, a study has
found, supercharging deadly storms and destroying critical ecosystems such
as kelp forests and coral reefs. Half of the marine heatwaves since 2000
would not have happened without global heating, which is caused by burning
fossil fuels.

The heatwaves have not only become more frequent but also
more intense: 1C warmer on average, but much hotter in some places, the
scientists said. The research is the first comprehensive assessment of the
impact of the climate crisis on heatwaves in the world’s oceans, and it
reveals profound changes.

Hotter oceans also soak up fewer of the carbon
dioxide emissions that are driving temperatures up. “Here in the
Mediterranean, we have some marine heatwaves that are 5C hotter,” said Dr
Marta Marcos at the Mediterranean Institute for Advanced Studies in
Mallorca, Spain, who led the study. “It’s horrible when you go
swimming. It looks like soup.”

 Guardian 14th April 2025, https://www.theguardian.com/environment/2025/apr/14/climate-crisis-has-tripled-length-of-deadly-ocean-heatwaves-study-finds

April 17, 2025 - Posted by Christina Macpherson | climate change, oceans