Access the largest database of verified emission factors

Product teams use Data to access 70,000+ scientifically vetted emission factors, delivered through a single API integration.

Comprehensive data

Up-to-date and transparent emission factors, covering carbon dioxide and all constituent gases. Sourced from reputable government agencies and institutions.

Normalized and enriched

Data from 30+ sources is now easily ingestible in a structured format, enriched with metadata such as validity year, source, CO2e calculation method, region, quality flags and LCA activity.

Scientifically validated

Our data is verified through expert manual review and AI-driven outlier detection, audited by our in-house scientists, and overseen by a panel of respected environmental experts.

Our data in numbers

All of Climatiq’s emission factors are compliant with the GHG Protocol and expressed in CO2e (Carbon Dioxide Equivalent), taking into account Global Warming Potential in 100 years (GWP 100).

Explore emission factors


scientifically audited emission factors covering spend- and activity-based emission calculations


global regions ranging from countries to local regions and cities


datasets sourced from a trusted network of over 30 governmental and scientific organizations, along with premium providers like ecoinvent and IEA


economic sectors incl. energy, transport, supply chain, infrastructure, waste, and IT

Trusted data providers

View all providers

Access ecoinvent data via the Climatiq API

Science against greenwashing

Vetted by a team of climate data scientists, with oversight by our Scientific Advisory Board

Discover how Kinaxis integrates carbon transparency into supply chain planning using Climatiq's API.
Read more

Integrate verified CO2e data into your platform in 3 steps


Integrate the Climatiq API

Use our globally distributed REST API with applications running on any device or server located in any data center.


Access data and calculate emissions

Access the largest dataset of over 70,000 emission factors from 36+ sources to automate CO2e calculations.


Launch your sustainability app

Build bespoke solutions for your industry and help customers access carbon insights and take action.