Reviving the mauri | lifeforce and vitality of our ocean and coastal communities through regenerative ocean farming

Greenwave Aotearoa is pioneering regenerative ocean farming in New Zealand.

By sharing our knowledge, skills and opportunities, we are helping to create flourishing ecosystems and economies that will leave our waters brimming with abundance for future generations.

Enabling the growth of a new high-value sector

Lucas and Bren from Premium Seas New Zealand

We partnered with GreenWave in the United States to adapt its highly successful model for Aotearoa New Zealand. Our focus is on establishing a viable, scalable native seaweed supply chain that can be a powerful force in combating climate change, boosting biodiversity and creating regional jobs.

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Join us as we grow seaweed to be a catalyst for economic, environmental,
social, and cultural benefits to local communities nationwide.

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Maximising our impact through collaboration.

Greenwave Aotearoa is led by impact investment project developers EnviroStrat.

Our Greenwave Aotearoa three-year pilot ended in December 2024. We continue to collaborate with farmers, scientists, seaweed product manufacturers, and funders.

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In the news

Greenwave Aotearoa has been covered by Country Calendar, NZ Listener, Fish of the Day, NZ Herald and seaweednews.au.
Check out our news section to see our collection of features, interviews and videos.

Featured
The new global superpower? Seaweed.
The new global superpower? Seaweed.

Greenwave Aotearoa and EnviroStrat are featured in NZ Geographic’s latest piece on seaweed’s potential. Rebecca Barclay-Cameron shares our journey—challenges and all—toward large-scale regenerative seaweed farming. Together with iwi partners, we’re restoring ocean mauri and unlocking new economic opportunities for Aotearoa.

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Land-based approach unlocks high-value macro-algae cultivation and scalable product innovation in challenging regions.
Land-based approach unlocks high-value macro-algae cultivation and scalable product innovation in challenging regions.

EnviroStrat has acquired key IP and 0.2ha of infrastructure from Quayside Holdings to scale land-based macroalgae cultivation. Originally developed for wastewater treatment, the system supports both marine and freshwater species and can remove excess nutrients from industrial and municipal discharges. This strategic move strengthens EnviroStrat’s impact ventures, including Greenwave Aotearoa.

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From sewage to cosmetics: Land-grown seaweed operation gets different owner and change of focus
From sewage to cosmetics: Land-grown seaweed operation gets different owner and change of focus

Auckland environmental consultancy and impact investor EnviroStrat has purchased a Bay of Plenty regional council-owned, land-based seaweed farm to produce high-end health and cosmetic products for local and international markets. Seaweed farming business Aqua Curo was purchased from majority Bay of Plenty Council-owned Quayside Holdings for an undisclosed six-figure sum in January.

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The Case for Seaweed - Radio New Zealand Interview with Peter Green
The Case for Seaweed - Radio New Zealand Interview with Peter Green

Peter Green, UK-based seaweed expert and author of the Paxtier Report, joined Mark Leishman on RNZ to discuss insights from his New Zealand visit, hosted by Greenwave Aotearoa for the Kelp for Climate Tour. In the interview, Peter highlighted the potential for New Zealand’s native seaweed species in high-value markets and discussed Japan’s approach to valuing seaweed ecosystems for their carbon capture benefits, supporting both kelp restoration and community well-being. Listen to Peter’s full insights on RNZ with Mark Leishman.

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