Access the largest database of verified emission factors

63,000+ scientifically vetted emission factors delivered through a single API integration.

Data you can trust

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Comprehensive dataset

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.


Carbon Measurement

Add carbon emission metrics to your platform, so your customers can accurately track and report on their carbon footprint.

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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).

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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

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EEA logoEEA logoAIB logoAIB logoAIB logo

Access ecoinvent via API

Our partnership with ecoinvent, the industry-leading life cycle inventory database trusted by practitioners worldwide, allows you to access the most comprehensive data to drive your emission calculations.

Discover the benefits of ecoinvent's database by visiting

Science against greenwashing

Vetted by a team of climate data scientists

Dr. Maryam Arbabzadeh

Director of Science @ Climatiq

Dr. Anastasia Lobanova

Director of Science @ Climatiq

With oversight by our scientific advisory board

Prof. Robert Armstrong

Director MIT Energy Initiative

Prof. Mike Berners-Lee

Prof. at Lancaster University, Bestselling Author and Carbon Footprint Guru

Dr. Jacquetta Lee

Associate Professor in Sustainable Systems Analysis at University of Surrey

Prof. Shelie Miller

Director, Program in the Environment at University of Michigan

Dr. Marco Sakai

Lecturer, Department of Environment and Geography at University of York

Prof. Wil van der Aalst

Professor at RWTH Aachen University, Chief Scientist at Celonis

Prof. Richard Wood

Adjunct professor at the Norwegian University of Science and Technology

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potential of Climatiq

Accelerate your roadmap

Launch features faster by leveraging our robust carbon calculation infrastructure. Take advantage of our all-inclusive toolkit complete with data, methodology, logic, solution engineering support, and tech to go-to-market fast and meet demand.

Get the full picture

Use a single API to calculate emissions in 16+ economic sectors and 300+ regions. React quickly to customer needs, tailor your solution, and grow your offering to build stronger customer relationships.

Simplified pricing

Plan and budget resources effectively with our predictable and straightforward pricing model. Get clear price estimates, avoiding runaway costs and complicated fee structures.

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