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About PACT Playground

Free, open-source tools that make PACT methodology accessible to sustainability professionals worldwide

What is PACT Methodology?

PACT (Partnership for Carbon Transparency) is a standardized methodology for calculating and exchanging product carbon footprints (PCFs). Just like financial accounting standards enable comparable financial reporting across organizations, PACT creates a common language for carbon accounting.

By standardizing how carbon footprint data is calculated and shared, organizations can use primary data from their suppliers rather than relying on less accurate secondary emission factors. This leads to more precise carbon accounting and better decision-making for reducing environmental impact.

Key Benefits of PACT Standardization:

  • Enables accurate supplier data exchange
  • Reduces reliance on generic emission factors
  • Creates consistency across different systems
  • Supports supply chain transparency

Learn more about PACT methodology →

Why We Built This

The Problem

Sustainability professionals need accessible tools to implement PACT methodology, but existing carbon accounting platforms are expensive, lack flexibility, and often don't map well to diverse organizational structures.

Our Solution

Free, interactive, open-source tools that anyone can use to understand and implement PACT methodology without expensive platform lock-in or complex enterprise software.

Our Vision

Accelerate adoption of standardized carbon accounting by making PACT methodology tools accessible to sustainability consultants, companies, and developers worldwide. We believe that open, transparent tools lead to better environmental outcomes.

About ZeroTwentyFifty

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Our Expertise

Commercial open-source software company specializing in carbon footprint calculation and exchange systems

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Technical Depth

Deep domain knowledge in carbon accounting software development and PACT methodology implementation

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Open Source

Committed to building transparent, accessible solutions that accelerate environmental impact reduction

We build enterprise-grade carbon accounting solutions while maintaining our commitment to open-source principles.

Visit ZeroTwentyFifty.com

How to Use These Tools

Who Should Use Them

  • Sustainability Consultants: Use alongside Excel workflows for PACT-compliant calculations
  • Companies: Understand PACT requirements before platform selection or implementation
  • Developers: Reference implementations for building PACT-compliant systems

Available Tools

URN Validator

Validate company and product identifiers for PCF data exchange

Biogenic Methodology

Explore different approaches to biogenic carbon accounting

Getting Started

Each tool is designed to be immediately usable without documentation, though we provide detailed explanations for deeper understanding of PACT concepts.

Try the Tools

Get Involved

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Contribute

Help improve our tools or add new features to the open-source codebase

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Suggest Features

Tell us what tools would help your PACT implementation workflow

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Need Help?

Get expert consulting for your PACT methodology implementation

Learn More About PACT Methodology

Dive deeper into PACT methodology with our expert insights and implementation guides.

Blog Article

PACTproduct carbon footprint +2 more

ZeroTwentyFifty 2024 Recap and 2025 Product Carbon Footprint Vision

Happy New Year from ZeroTwentyFifty! In this post, our Founder will be going over a recap of 2024, and our 2025 plans and vision for PACT and Open Source Product Carbon Footprints.

ZeroTwentyFifty Team Jan 10, 2025

Blog Article

PACTopen source +3 more

Announcing the ZeroTwentyFifty Open Source PACT Methodology Library

Come explore the new Python library for interacting with the WBCSD PACT Methodology, and how you can integrate Product Carbon Footprints into your own software processes.

ZeroTwentyFifty Team Oct 5, 2024

Blog Article

PACTWBCSD +3 more

ZeroTwentyFifty is listed as a PACT conformant solution by WBCSD PACT

Explore how ZeroTwentyFifty's Open Source software has achieved PACT conformant status from WBCSD PACT.

ZeroTwentyFifty Team May 7, 2024