[1] https://digitalreport.protectedplanet.net/ [2] Satellite sea surface temperature measurements began in 1982; ocean heat content estimates are derived from in situ observations that started in 1960. [3] https://marine.copernicus.eu/osr9-summary/flipbook/ [4] https://www.nytimes.com/2025/08/28/world/europe/spain-beach-blue-dragon-sea-slugs.html#:~:text=The%20arrival%20of%20the%20tiny,what%20they’re%20dealing%20with. [5] https://marine.copernicus.eu/osr9-summary/flipbook/ [6] https://marine.copernicus.eu/osr9-summary/flipbook/