A Unified Multi-City Climate Platform

CityCatalyst works with city networks, regional and national governments, to track progress, align efforts with national and regional plans, and accelerate climate results at scale.

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Climate action at scale, made simple

CityCatalyst helps you support and track progress across multiple cities with ease. From scattered data to centralized intelligence, gain full visibility over inventories, risks, and plans, all in one place.

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What’s Holding Your Regional Impact Back?

Fragmented data makes difficult to compare climate progress

Each municipality uses a different methodology (or none at all)

There's no centralized way to track the impact of your programs

Infrastructure That Scales With You

CityCatalyst helps you unify and empower your member cities, while making it easier to track, report, and replicate your impact.

Communicate your constituent cities’ progress with visual clarity

Empower local teams with built-in tutorials and guidance

Integrate regional datasets to accelerate analysis across cities

Easily develop GHG inventories for multiple cities at once

Save time and reduce costs by scaling climate planning across jurisdictions

EXPLORE PARTNERSHIPS

All in one place

Built for Multi-City Impact

Aligned with the CHAMP Agenda 

The Coalition for High Ambition Multilevel Partnership (CHAMP) is a global commitment launched at COP28 and endorsed by over 75 countries to accelerate climate action through stronger collaboration between national and subnational governments. CityCatalyst is built to support this agenda, helping countries, regions, and cities turn commitments into action by providing the digital infrastructure to mobilize local plans, streamline data, and unlock funding.

Learn more about champ

Multi-City Dashboard

See performance across cities at a glance

Regional Insights

Aggregate national or regional datasets to develop GHG inventories at scale

Multilevel Alignment

Ensure local climate actions align with national and regional commitments, as promoted by the CHAMP framework

Training Tools

Onboard municipal staff with ease

Export-Ready

Export-Ready Outputs for donors, funders, and key stakeholders

Multi-user Acess

Enable cross-department collaboration securely

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Ready to Deliver on Regional Climate Commitments?

We offer region-wide licenses, tailored onboarding packages, and continuous support to scale your impact.

Whether you're leading a global alliance, a CHAMP country cluster, or a regional initiative, we can help you coordinate climate action across your member cities, with the tools, structure, and support they need to succeed.

Thank you for your interest

Thank you for reaching out. We'll contact you as soon as we can.
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or contact us at info@openearth.org

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