Why do Oceans matter in mitigating Climate Change? Can the oceans capture carbon dioxide emissions without affecting life below water

As the largest ecosystem on the planet, the world’s oceans are a pillar of climate regulation and a powerful source of solutions to the changing climate. The theme of this year’s World Oceans Day - ‘life and livelihoods’ - focuses on the importance of sustaining the ocean for all forms of life on Earth. Through the use of nuclear and isotopic techniques to reveal the changes in the ocean, the IAEA supports coastal countries in better understanding these vital ecosystems, so that they can protect them and  sustain their local economies that depend on the ocean.

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