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Your trusted partner for carbon removal

Puro.earth provides the institutional-grade infrastructure and global ecosystem required to navigate an evolving industry with confidence. Through rigorous standards, a transparent certification system, and global partnerships, we connect buyers and suppliers to enable large-scale, long-term carbon removal deployment.

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delivery certainty

In a first-mover market, Puro.earth acts as the guardian of your commitments. We understand the nuances, mitigate risks and navigate the market in connection with different stakeholders. We move beyond simple registration to provide the transparency and oversight that ensures the carbon you contract is the carbon actually removed.

why Puro

Security, predictability, and trust on your procurement journey.

Financial-grade security

Puro Registry is the only platform backed by Nasdaq’s exchange infrastructure, providing the institutional weight and insolvency protection required by global finance.

Proven delivery track record

As the market’s longest-standing actor, our experience allows us to identify and mitigate project risks before they impact your portfolio. We have issued more than 1.5 million CO2 Removal Certificates (CORCs).

Specialized procurement toolkit

Access to exclusive services designed to simplify discovery and monitoring. Our match-making toolkit has been shaped by a range of thought leaders and early innovators to meet the needs of buyers today.

The definitive standard authority

Under one roof, we host the most trusted, diverse, and rigorous methodologies, ensuring your credits meet the highest global quality benchmarks.

Commercial flexibility

We facilitate the complex structures institutional buyers require, from long-term offtake agreements to strategic prepayments.

Trusted by leading institutions worldwide

procurement journey

From discovery to retirement

Puro.earth is your connector in a complex market. We provide the safety to navigate the carbon removal landscape. From discovery to retirement, we act as the stabilizing layer that supports the security, predictability and trust on your procurement journey.

infrastructure

How to buy carbon credits?

Secure carbon credits you can trust from established or future suppliers.

  • Spot inventory

    Buyers can purchase credits from the largest, certified supplier pool on the market to meet their immediate procurement needs.

  • Offtakes

    Buyers secure a future supply of high-quality credits through various types of contracts to lock in supply. Offtakes help suppliers secure financing from investors and lenders.

Designed for transparency and market integrity, the Nasdaq-backed Puro Registry provides the trusted infrastructure needed to track durable carbon removal with confidence.

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

Close up background texture of many black lump charcoal pieces ready for barbecue grill, elevated top view, directly above

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

Puro Standard was born as the first of its kind. Our global standard ensures a credible framework for certifying engineered carbon removal and issuing Puro.earth CO2 removal certificates (CORCs). Our methodologies meet the highest standards, and our transparent Puro Registry tracks the lifecycle of CORCs, bringing integrity to the market.

get started

Become a buyer

Create a Puro Registry account today to manage your carbon removal purchases and receive CO2 Removal Certificates (CORCs) directly to your organization’s account. Take control of your portfolio and conveniently retire certificates at your own convenience.

see also

More about carbon credits

  • Supply

CDR Supplier facilities

Puro.earth has one of the largest CDR supplier network with facilities across the globe.

  • Demand

CO2 Removal Certificate (CORC)

Puro.earth CO2 Removal Certificate (CORC) is an independently verified carbon credit that confirms 1 metric ton of CO2 has been…

  • Demand

Carbon Removal Indexes

The CORC Carbon Removal Price Index family consists of a composite index that tracks the price of all CORC…

faq

Top CDR buyer FAQ