Carbon & Climate — Ocean Startups
464 ocean startups and private companies working on carbon & climate across 51 countries.
Where are carbon & climate startups based?
Carbon & Climate Startups
Greenskill Environmental Technology Ltd
Scotland · Seaweeds/Algae, Biosolutions, Waste/Pollution, Carbon/Climate, Data/Tech
Greenskill Environmental Technology Ltd develops microalgae-based photobioreactor technologies for carbon capture, wastewater treatment, and the conversion of emissions and wastewater into valuable products. The company combines biological process engineering, renewable energy integration, and cloud-based control systems to deliver carbon-negative industrial solutions.
Cargill
USA · Aquaculture/Fisheries, Waste/Pollution, Energy/Maritime, Carbon/Climate, Data/Tech, Education/Policy, Generalist
Cargill is a global food and agriculture company that supplies food, ingredients, agricultural solutions and industrial products. It works across global supply chains with farmers, food producers and customers, and advances sustainability, climate, water and community initiatives.
Oceanium
· Seaweeds/Algae, Generalist, Communities/Tourism, Carbon/Climate
OCEANIUM is a private company developing functional seaweed ingredients and materials for food, health, skincare, and ink applications. It uses proprietary biorefinery technology to turn sustainably sourced seaweed into products designed to support people health and ocean health.
Bromalgae S.L.
Spain · Seaweeds/Algae, Biosolutions, Waste/Pollution, Carbon/Climate, Energy/Maritime
Bromalgae S.L. is a biotechnology company that develops microalgae-based solutions for pollutant gas reduction and industrial microalgae production. It designs photobioreactors, provides scale-up services, and develops environmental applications such as air purification, CO2 capture, and biomass valorization.
Matorka
Iceland · Aquaculture/Fisheries, Carbon/Climate
Matorka is an Icelandic land-based aquaculture company producing premium Arctic char. It operates a vertically integrated production model focused on responsible seafood production and low-impact farming.
Big Kelp Ltd.
United Kingdom · Seaweeds/Algae, Carbon/Climate, Waste/Pollution, Biosolutions, Aquaculture/Fisheries
Big Kelp Ltd. develops kelp-based solutions to address climate change, ocean health, plastic waste, pollution, and livestock methane emissions. It focuses on large-scale kelp cultivation and kelp-derived raw materials and supplements.
Future Proof Shipping
Netherlands · Energy/Maritime, Carbon/Climate
Future Proof Shipping is a shipping company that provides zero-emissions inland and short-sea marine transportation services and consultancy. It develops and operates hydrogen-powered vessels for cargo transport and supports the transition to zero-emissions shipping.
Arborea
United Kingdom · Seaweeds/Algae, Carbon/Climate, Biosolutions
Arborea is a private company developing microalgae-based ingredients and proteins using its Biosolar Leaf™ cultivation system. It captures CO2 and sunlight to produce net-zero food, feed, cosmetic and agricultural ingredients without fertile land.