At Carbonwave, we have been on a mission since day one to turn the Sargassum problem into a force for good. We pioneer the collection, processing, and upcycling of the world’s largest algae bloom, transforming an invasive seaweed into high-value biomaterials across agriculture, personal care, and fashion. 

Today, we’re proud to share our 2025 Impact Report: an honest account of the progress we made, the partnerships we forged, and the lessons we learned during the largest Sargassum season ever recorded. 

Read the full 2025 Impact Report →

The Largest Sargassum Season on Record 

In May 2025, Sargassum in the Atlantic reached a record of more than 37 million tonnes. Beaches across the Mexican Caribbean were inundated with volumes that pushed our operations to their limit, and the season arrived earlier and lasted longer than the historical norm.

Our team met that challenge head-on. In 2025, we responsibly removed a record of 20,300 tonnes of Sargassum, a 129% increase over the year before, and protected 137 km of coastline, up from 95 km in 2024. That work directly benefited the 349,179 people living near our collection footprint.

From Collection to Upcycling 

Collection keeps Sargassum off the beach. Processing is what keeps it out of the landfill and turns it into something valuable. In 2025, our Mexico processing volume grew 136%, from 126 to 298 tonnes, and average daily throughput nearly doubled to 8.3 tonnes per day.

Every additional tonne we process is a tonne that does not decompose anaerobically and release methane, a greenhouse gas far more potent than CO₂.

Proof in the Field: Agriculture That Outperforms 

Our Sarga Agriscience extracts continued to deliver. In our second year of trials with International Farming, treated processing tomatoes showed a 25% yield uplift across 200 acres, up from a 17% uplift on 100 acres in 2024. A major U.S. agricultural cooperative tested our SargaExtra 0-0-1 against roughly 60 competitor products across five states and five crops, and it outperformed every one, at half the application rate.

By the end of 2025, our SeaBalance® emulsifier had been incorporated into more than 60 commercial products worldwide, with India emerging as our fastest-growing market.

A First Look at Our Full Footprint  

This year, for the first time, we mapped our Scope 3 emissions, a preliminary inventory totaling approximately 223 tonnes of CO₂e. It doesn’t yet cover every category, but it captures most of our Scope 3 footprint and gives us a solid foundation to build on in 2026.

This is part of a broader commitment to measure honestly. As our collection fleet worked harder than ever, our Scope 1 and 2 emissions rose, and we’re reporting that transparently alongside the progress.

A Higher Standard of Governance  

In 2025, we rebuilt our Environmental and Social Management System to align with World Bank standards, and we welcomed the International Finance Corporation (IFC) as an investor, a meaningful endorsement of the rigor behind our impact work. 100% of our employees are trained on ethics and anti-corruption, and we recorded zero incidents of discrimination, bribery, or environmental non-compliance.

We’re also candid about where we fell short. Our recordable injury rate rose during a year of intense growth, and the share of women in our workforce declined as hiring concentrated in physically demanding collection roles. These are areas we are actively working to improve in 2026.

Why This Report Matters   

Impact reporting is how we share progress with our partners, our communities, and the planet, and how we hold ourselves accountable. This year’s report reflects both a record-breaking operational year and a deepening commitment to transparency, equity, and environmental justice.

Join the Movement 

Read the full report to explore our metrics, our stories, and our priorities for 2026 and beyond. We’re just getting started.