Carbon pollution has fuelled ‘massive expansion’ of marine heatwaves in Europe, study finds

While hot seas receive little attention, they can lead to the death of habitat-forming species such as corals and macroalgae, disrupting ecosystems and leading to large-scale mortality of fish and seabirds. They also raise dangerous overnight temperatures in coastal regions, as oceans cool more slowly than land...

 https://www.theguardian.com/environment/2026/aug/19/carbon-pollution-massive-expansion-marine-heatwaves-europe