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  1. The world’s oceans are heating up at an accelerating pace as global warming threatens a diverse range of marine life and a major food supply for the planet.
  2. Ocean heating is a very important indicator of climate change and it is warming more rapidly than expected.
  3. About 93% of excess heat — trapped around the Earth by greenhouse gases that come from the burning of fossil fuels — accumulates in the world’s oceans.
  4. A key factor in the more accurate numbers is an ocean monitoring fleet called Argo, which includes nearly 4,000 floating robots that “drift throughout the world’s oceans to measure its temperature, pH, salinity and other bits of information,” said the report

Reference

https://www.thehindu.com/todays-paper/tp-life/oceans-are-heating-up-at-a-quickening-pace-say-scientists/article25975485.ece