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• Published on 25 July 2025
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Published on 12 September 2026
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Published on 12 September 2026
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Published on 12 September 2026
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Published on 11 September 2026
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Published on 11 September 2026
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I must confess, I’m growing a little weary of the green investment narrative. For years, we’ve been told the future is electric cars and solar panels. It’s all become a bit predictable, hasn't it? Every fund manager and their dog has piled into the same handful of companies, pushing valuations to levels that would make a dot-com founder blush. It feels like we’ve all been staring so intently at the trees that we’ve completely missed the, well, the ocean.
And what an oversight that might be. While the City has been chasing the same old stories, the so called blue economy has been quietly getting on with things. It turns out that big, wet thing covering 70% of the planet is rather important. It produces half the oxygen we breathe and absorbs a third of our carbon emissions. To me, ignoring it as an investment theme seems, at best, a failure of imagination.
Let’s talk about carbon, because that’s where the money often is these days. We’re all familiar with the idea of planting trees to save the world. It’s a lovely, photogenic concept. The problem is, it’s not the most efficient tool in the box. Not by a long shot.
Blue carbon ecosystems, things like mangrove forests and seagrass meadows, are the real workhorses. They can sequester carbon up to ten times faster than their terrestrial counterparts. A single hectare of mangrove can lock away vast amounts of carbon, making a rainforest look rather sluggish in comparison. This isn’t some fringe science. It’s basic biology that the financial world is only just beginning to appreciate. As governments and corporations get serious about measuring and monetising carbon storage, the technologies that enable it could become incredibly valuable.
Then there’s the small matter of feeding everyone. Global demand for protein is soaring, just as wild fish stocks are, to put it mildly, under a bit of pressure. The old way of doing things, chucking a big net in the sea and hoping for the best, is hitting its natural limits. This is where sustainable aquaculture comes in.
I’m not talking about the murky fish farms of old. The technology has moved on. Think of land based, closed loop systems that use a fraction of the water and produce almost no pollution. Or consider companies like AquaBounty Technologies, which has developed salmon that grow faster on less feed. After a gruelling regulatory battle, they are now scaling up just as the world is waking up to a potential protein deficit. The timing, you have to admit, is rather neat. It’s a pragmatic solution to a very real, and very profitable, problem.
This isn't just about one or two clever ideas. It’s about a convergence of opportunities. The carbon markets are finally maturing, and credits from blue carbon projects are already fetching a premium because the storage is seen as more permanent and easier to measure. But it goes beyond that. Restoring a coastal ecosystem doesn’t just store carbon. It provides storm protection, supports local fisheries, and boosts tourism. These are all tangible economic benefits that governments are increasingly willing to pay for.
When you start to connect these dots, a compelling picture emerges. You have a collection of companies working on scalable technologies that solve fundamental problems, from climate change to food security. For investors looking for the next wave of innovation, it’s an area that warrants a closer look. Some are even packaging these ideas into thematic portfolios, like the Blue-Carbon & Ocean Health, which focuses on this very intersection of marine technology and environmental solutions. It suggests a growing recognition that the ocean’s health and the economy’s health might just be two sides of the same coin.
View the full Basket:Blue-Carbon & Ocean Health
View the full Basket:Blue-Carbon & Ocean Health
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Published on 12 September 2026
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Published on 12 September 2026
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Published on 12 September 2026
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Published on 11 September 2026
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Published on 11 September 2026
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