{"id":50034,"title":"The Ocean\u2019s Acid Test, and We\u2019re Failing","description":"The health of the ocean is changing faster than we realised \u2014 and not just at the surface. A new study has found that ocean acidification, often called the \u201cevil twin\u201d of the climate crisis, has already crossed a critical threshold for planetary health. Scientists now say we\u2019re \u201crunning out of time\u201d to protect marine ecosystems \u2014 with the deepest parts of the ocean showing the most dramatic signs of change","content":"

The health of the ocean is changing faster than thought, and not just at the surface.<\/p>

\"PFatQEw4zSOMkOpqAFNtlFhd148B0I56LaFvTZzuWrgD5u8K.jpeg.jpeg?w=1140&v=2\"A new study has found that ocean acidification, often called the \u201cevil twin\u201d of the climate crisis, has already crossed a critical threshold for planetary health. Scientists now say we\u2019re \u201crunning out of time\u201d to protect marine ecosystems \u2014 with the deepest parts of the ocean showing the most dramatic signs of change.<\/p>

This is a wake-up call.<\/p>

When carbon dioxide is released into the atmosphere, much of it ends up in the sea. The ocean has long helped buffer the effects of global heating by absorbing excess CO\u2082. But that buffering comes at a cost.<\/p>

As CO\u2082 dissolves into seawater, it forms carbonic acid \u2014 lowering the ocean\u2019s pH and making it more acidic over time. That shift in chemistry might seem small, but it\u2019s devastating to marine life.<\/p>

The same reaction happens above ground too. In polluted cities, carbon dioxide dissolves into rainwater, forming acid rain \u2014 the kind that can literally melt the faces of statues and dissolve brickwork over time. Above ground, we see the damage. Below the surface, it's invisible \u2014 but no less real.<\/p>

\"f3sqvyacgyiqpc1qxst6m79jmkolhuok6lblzpb0idau1o7n.jpg.jpg?w=1140&v=2\"Coral reefs face multiple pressures \u2014 including warming seas and acidification, which weakens their structure. Imagery courtesy of Plymouth Marine Laboratory.<\/em><\/p>

From coral reefs to plankton, organisms that rely on calcium carbonate to build their shells or skeletons are now struggling to survive. And it\u2019s not just the tropical shallows \u2014 the deeper scientists looked, the more serious the damage.<\/p>

\u201cSince these deeper waters are changing so much, the impacts of ocean acidification could be far worse than we thought,\u201d said Prof Helen Findlay of the Plymouth Marine Laboratory.<\/p>

<\/p><\/blockquote>

\"ct6oy7uovslbaxy5zcvpv0xcrulqizmwhhxxurlqkxkvfnq7.png.png?w=1140&v=2\"The graph shows how the pH of global ocean waters decreased between 1982 and 2022 \u2013 an increase of 18% over 40 years. Credit: ETH Zurich - ESA.<\/em><\/p>

By 2020, 60% of global ocean water at 200 metres depth had already passed the \u201csafe\u201d limit for acidification. That\u2019s the layer where many marine species breed, feed, or find shelter \u2014 and it\u2019s changing fast.<\/p>

\u201cWhat we do \u2013 or fail to do \u2013 now is already determining our future,\u201d said Jessie Turner, Director of the International Alliance to Combat Ocean Acidification.<\/p><\/blockquote>

We can\u2019t always see what\u2019s happening below the surface. But the acidification of our oceans threatens the base of the food chain, entire coastal economies, and the future of marine biodiversity.<\/p>

To reverse this issue, we need to act where the main problem begins: carbon emissions.<\/p>

That means a faster transition to renewable energy \u2014 not just targets and pledges, but rapid, scaled implementation. And it also means rethinking the way we make things.<\/p>

According to the Ellen MacArthur Foundation, shifting to renewables can address 55% of global emissions \u2014 but the remaining 45% comes from how we design, make, and use products. A circular economy \u2014 one that designs out waste, keeps materials in use, and regenerates nature \u2014 is essential to completing the picture.<\/p>

That\u2019s why, at Rapanui, our factories run on renewable energy. We design circularly, so our products can be remade \u2014 reducing the need to extract or produce new material. This isn\u2019t about perfection \u2014 but every step helps reduce waste, cut emissions, and protect the environment we depend on.<\/p>

Because when we design differently, we help safeguard the health of our oceans too.<\/p>

The ocean\u2019s chemistry is changing \u2014 but so can we.<\/p>

This isn\u2019t about panic. It\u2019s about urgency. It\u2019s about choosing systems that work with nature instead of against it, and supporting innovation that helps protect the places we love.<\/p>

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