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Certifiers of change

Built on scientific rigor and trust,
we provide the certification infrastructure
that turns carbon removal into a tangible, bankable,
and scalable global asset.

background of porous rock structure close-up
Sheung Wan, Hong Kong, 02 October 2018:- Hong Kong city
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engineered CDR leader

As the leader of engineered CDR, Puro.earth provides the essential infrastructure – registry, standards, and governance – that defines quality, confidence, and stability for global institutions. We replace market volatility with reliability and act as a robust partner, moving the industry from pilot projects to infrastructure-scale reality.

transforming the market

From carbon removal to a tangible, bankable, and scalable global asset

Share of the CDR market

74%

Removed tonnes of CO2

1,656,201

CDR price per tonne

€131.27

Buyers & beneficiaries

800

Registered CDR suppliers

321

Trusted by leading institutions worldwide

trusted asset class

From carbon removals to a trusted asset class

Nasdaq-backed stability

The only registry with the institutional weight and insolvency protection of a global exchange, ensuring long-term market continuity.

Best suited for the next chapter

As the first engineered CDR standard and registry, with deep methodological expertise, we bring the authority and innovation that keep moving the market beyond.

Institutional-grade standard

Our rigorous Puro Standard makes projects financeable by meeting the strict due diligence requirements of banks and infrastructure funds.

Commercial pragmatism

We speed up the path to revenue for suppliers without compromising the integrity of true removal.

Holistic market facilitator

Beyond certification, we offer access to the financial heart of the carbon removal market, connecting buyers, projects, and financial intermediaries.

our methodologies

Methodologies for carbon removal

The Puro Standard provides quantification methodologies for carbon removal. We have certified over 100 engineered carbon removal projects under the Puro Standard, resulting in the issuance of more than 1.5 million CO2 removal certificates (CORCs) in the Puro Registry as verified, traceable, investable assets.

Direct Air Capture and Ocean Storage

This safe, durable and quantifiably robust methodology under Puro Standard can achieve highly permanent carbon removal of 1,000+ years.…

Durability 1000+ years

Microalgae Carbon Fixation and Sinking

MCFS under Puro Standard supports long-term CO2 removal by fostering local microalgae growth on engineered substrates, which then sink…

Durability 200+ years

Terrestrial Storage of Biomass

Under Puro Standard, this methodology is an innovative approach to store carbon for 100+ years. Terrestrial storage of biomass…

Durability 100+ years

Biochar

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Biochar is the leading durable carbon dioxide removal technology in both delivery and market liquidity. The Puro Standard brings…

Durability 200+ years

Geologically Stored Carbon

GSC methodologies capture carbon dioxide and store it underground in deep geological formations. It covers both BECCS and DAC-based…

Durability 1000+ years

Enhanced Rock Weathering

Under the Puro Standard, Puro.earth developed the first enhanced rock weathering (ERW) carbon crediting methodology. ERW is a process…

Durability 1000+ years

Carbonated Materials

This methodology under Puro Standard represents an attractive pathway for durable carbon dioxide removal – with a growing interest…

Durability 1,000+ years

Marine Anoxic Carbon Storage

With careful science and transparent risk assessment, MACS has the potential to become an important part of a broader…

Durability 200+ years