Global ocean temperatures outside the polar regions reached unprecedented highs on June 21, according to data from the Copernicus Climate Change Service and the Copernicus Marine Service. The Copernicus Climate Change Service reported a temperature of 20.86 degrees Celsius (69.54 degrees Fahrenheit), exceeding the previous records of 20.83 degrees Celsius (69.49 degrees Fahrenheit) set in 2023 and 2024. Meanwhile, the Copernicus Marine Service recorded an even higher temperature of 21 degrees Celsius (69.8 degrees Fahrenheit), surpassing past records by 0.1 degree Celsius. This rise in ocean temperatures is attributed to increased greenhouse gas emissions from fossil fuels, as stated by climate science expert Richard Allan. The alarming data emerged alongside a heat wave affecting over 46 million people in the U.S., with temperatures expected to soar into the upper 90s and beyond, while Europe faced similar extreme conditions leading to over 1,300 excess deaths linked to high temperatures.
Why It Matters
The rise in ocean temperatures is significant as oceans absorb over 90% of the excess heat generated by climate change, primarily due to fossil fuel consumption. Historical data indicates that climate change is causing more frequent and severe heat waves around the world, with Europe experiencing temperatures rising at twice the global average. The World Health Organization has highlighted the increasing health risks associated with these heat waves, particularly in regions where infrastructure is not equipped to handle such extremes. This trend underscores the urgent need for global action to mitigate the impacts of climate change.
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