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Startup Portfolio: Negative Emissions - Ocean CDR

Meet Cohort 24-2!

We’re proud to officially announce Cohort 24-2 comprised of twenty-seven climate technology companies. Each startup was selected based on climate impact, techno-economics, business model, and competitive landscape. Their technologies include biochar, fusion, algae, batteries, ammonia, and more.

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Brineworks

Advancing the state-of-the-art in saltwater electrolysis technology, which unlocks several ocean-based carbon dioxide removal pathways that can scale to Gt/year levels.

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Scape

Offering a marine CO2 storage alternative; a costal seawater reactor that can permanently sequester low-purity CO2, saving up to 50% of carbon capture costs while recovering critical metals.

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We’re here to help you bridge critical finance and resource gaps by uniting and aligning the world’s most promising climate tech startups—like you—with D3’s network of committed investors, corporate partners, market experts, and mentors.

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