France, June 11 -- More than 70 scientists, including contributors to the United Nations Intergovernmental Panel on Climate Change (IPCC), have raised the alarm over record human-induced global warming and surging marine heatwaves, in an annual study published between IPCC assessments.

"These indicators represent an essential monitoring of the vitals of a patient exhibiting ever increasingly troubling symptoms," said Peter Thorne, one of the study's authors and deputy chair of the UN-backed Global Climate Observing System (GCOS).

"They all rest upon a suite of global observation capabilities which are, for the first time in my lifetime, systematically either actively degrading or at risk."

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