The world's oceans are warming at a record rate, affecting marine life and the lives of hundreds of millions of people on the coasts, Kolkata's Ei Samay reports, citing the Copernicus Ocean State Report published on Wednesday, 30 September. More than 100 ocean scientists prepared it from four decades of satellite data and readings from sensors deep in the sea.
According to the report, the rate of ocean warming has doubled over the past two decades. In 2025 alone the oceans absorbed an extra 23 zettajoules of heat, a new record for the ninth year running. Scientists compare that extra heat to the energy of 12 Hiroshima bombs every second for a year, and about 40 times the total energy humanity used in 2025.
Pierre Bahurel, director general of Mercator Ocean International, said the ocean is changing fast before our eyes; rising temperatures, rising sea level and damaged ecosystems are signs of long-term, worrying change.
Warmer seas are melting ice and raising sea levels, putting low-lying coasts and island nations at risk of flooding, and warmer water is destroying coral reefs, the main shelter for marine life. The report says these changes are bringing more storms, cyclones and extreme rain around the world.
Photo: Samuel Chow / Wikimedia Commons (CC BY 2.0)
Source: Ei Samay
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