What if the climate mission stays the same, but the technology gets a better suit?In this episode, Lydia catches up with Joe Perryman from Brineworks to unpack how the company evolved from its earlier ocean-based concept into a land-based system built around a closed saltwater loop.Brineworks now produces two key feedstocks for synthetic fuels: sustainable CO₂ and green hydrogen.But this conversation is about more than one company’s technical upgrade. It is also about a broader shift in climate tech: from “we should do this because it’s sustainable” to “it’s sustainable, and it can increasingly make sense as good business too.”We cover:why Brineworks moved away from the ocean-based setuphow the land-based system works in plain Englishthe closed-loop saltwater designwhy CO₂ + H₂ matters for e-fuelswhere Brineworks sits in the value chainand why cheap, intermittent renewables change the economicsAs Joe puts it:“It’s sustainable, so we’re gonna do it because it’s the right thing… but it’s also now just getting very cheap.”Explore more:Brineworks: brineworks.techBite-Size Climate Tech / Day Zero Production: dayzeroproduction.com/bite-size-climate-techVisual note: The CLI animated sequences are simplified educational illustrations based on Joe’s explanation. They are not engineering schematics or literal representations of Brineworks’ exact hardware or process configuration.

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