The Open Standard Carbon Removal Purchase Agreement: Contracting infrastructure for a growing carbon removal market
OSCAR is an open-access contracting framework designed to reduce friction, build trust and support the growth of durable carbon removal markets
As carbon removal markets mature, transactions need to become easier, faster and more accessible. Today, buyers, suppliers and intermediaries often negotiate agreements from scratch, creating unnecessary complexity, increasing legal costs and slowing market development. New buyers in particular can face uncertainty around risk allocation, delivery and contracting expectations. OSCAR was created to provide a fair and practical starting point that helps build confidence, reduce friction and support more efficient transactions across the carbon removal ecosystem
Why OSCAR?
What OSCAR Provides
A balanced contracting framework designed specifically for durable carbon removal transactions
Standard Agreement
Practical Resources
Supporting materials that help users understand key concepts, risks and contracting considerations.
Community & Collaboration
An evolving initiative informed by feedback from buyers, suppliers, intermediaries and legal experts across the ecosystem.
Developed with the market
OSCAR has been developed through collaboration with buyers, suppliers, intermediaries, legal practitioners and market participants across the carbon removal ecosystem.
Featured Contributors & Partners
Who Uses OSCAR?
Gain confidence and reduce contracting timelines when purchasing carbon removal.
Buyers
Suppliers
Accelerate negotiations and avoid starting from a blank page.
Intermediaries
Support transactions using a common framework that helps align parties more efficiently.
Legal Professionals
Build from a market-informed foundation while maintaining flexibility for individual transactions.
As carbon removal markets mature, transactions need to become easier, faster and more repeatable. Many successful markets rely on shared frameworks and standards that reduce complexity while preserving flexibility. OSCAR applies this principle to carbon removal contracting, helping reduce friction, improve consistency and support a more scalable market.
Building a Foundation for Trust
OSCAR is an open initiative that grows through participation and feedback from the wider market. Whether you are a buyer, supplier, intermediary, legal practitioner or market participant, we welcome your involvement.

