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How pollution is changing the ocean's chemistry - Triona McGrath

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Exploring our Oceans

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As we keep pumping carbon dioxide into the atmosphere, more of it is dissolving in the oceans, leading to drastic changes in the water's chemistry. Triona McGrath researches this process, known as ocean acidification, and takes us for a dive into an oceanographer's world. Learn more about how the "evil twin of climate change" is impacting the ocean — and the life that depends on it.

What is the expected increase in ocean acidity by the end of this century if current CO2 emission trends continue?

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About Exploring our Oceans

Exploring our Oceans offers insight into the scientific marvels of the marine world, and the part you can play in uncovering the ocean's mysteries and safeguarding its future. From biology to physics to engineering, understanding our oceans involves a multitude of scientific approaches. Dive into our curated videos and supporting lesson materials, and find out how you can be a part of it all.

Meet The Creators

  • Video created by TED
  • Lesson Plan created by Luka Seamus Wright

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