"In 2025 the upper 2,000 meters of the ocean absorbed a record-setting 23 zettajoules more energy than in 2024. This amount is some 37 times as much as the word's energy consumption in 2023, according to scientists at the U.S. National Oceanic and Atmospheric Administration, the Institute of Atmospheric Physics at the Chinese Academy of Sciences, and the E.U.'s Copernicus Marine Service."
"The oceans are like the climatic version of soundproofing in a music studio; they absorb about 90 percent of the excess heat captured by the rising levels of greenhouse gases in the atmosphere. Hotter oceans contribute to rising sea levels, disrupt fragile marine ecosystems and fuel extreme weather. Without urgent action to address the climate crisis, scientists warn, the oceans will only continue getting hotter."
In 2025 the upper 2,000 meters of the ocean absorbed 23 zettajoules more energy than in 2024, about 37 times global energy consumption in 2023. Average sea surface temperatures were roughly 0.5°C above the 1981–2010 average, the third-highest on record, contributing to an expected second- or third-hottest year globally. Oceans absorb about 90% of excess heat from greenhouse gases, and warming increases sea levels, disrupts marine ecosystems and fuels extreme weather. Without urgent climate action, ocean warming will continue and intensify these impacts.
Read at www.scientificamerican.com
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