GHG Inventory Software
for Climate & City Projects

Create emissions inventories, integrate trusted datasets,
and draft fundable climate plans, all in one place.
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GHG Inventory Software
for Climate & City Projects

Costly. Slow. Complex. Until now.
See how it works

For every type of plan

For cities
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For multicities
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For consultants
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"My experience with CityCatalyst has been great so far. The tool is friendly and easy to use — adding data is simple, and the built-in AI is super helpful. It's clean, organized, and the reports are easy to generate and share. A great resource for cities."
— Victor Gonçalves, iCare

All-in-one toolkit for fast,
reliable climate reporting

From data collection to export-ready outputs;
everything you need to build, validate and share climate inventories.

Inventory Builder

Generate step-by-step GPC-compliant outputs and get clean actionable reports.

Smart Data Assistant

Help collect, validate and organize your data in the right formats with AI and data harmonization.

Export & Share Tools

Export in standardized formats, link to dashboards, or create tailored files for grant applications, climate disclosures, and policy briefs.

Third-Party datasets

Reduce your workload and increase your speed with the integration of globally used data sets.
Explore the platform
External datasets
Inventory Report
Add your own data
AI Assisted
Connect to different
external sources
You can choose from our sources catalog to effortlessly complete your inventory’s information with validated and curated data providers
Obtain a
GPC Compliant Report
Download a GHG Inventory report compliant with the industry standard methodology that you can share through the CDP-ICLEI track, communicate to your citizens or connect to other tools to develop Climate Action Plans
Keep your data
integrated & safe
Add youdata to a database to complete the report either through manual input or uploading your files.
Support your journey with climate intelligence
When in doubt, ask our virtual climate advisor: Clima. An AI model trained with the most relevant and curated tools and resources, ready to assist you every hour and every day.

All-in-one toolkit for fast,
reliable climate reporting

We help you turn data into decisions - faster, easier, and with real impact on the ground.
Contact us at info@openearth.org

Thank you for your interest



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