We've updated the Excel and Google Sheets plugins to ensure all formulas use the latest versions of our APIs, added more flexibility for input types, improved search, and introduced new features. The updates in a nutshell:
_Headers to the original formula name to retrieve headings explaining what value has been returned in each column, e.g. =Climatiq.Calculate_Travel_Air_Headers() or =Climatiq.Calculate_Travel_Air_Headers(TRUE) when Show Details is set to TRUERead more about using Climatiq in Excel or Google Sheets →
Users often need the option to access custom emission factors, for example to use a proprietary dataset or primary emission factors from suppliers.
Previously, you had to upload private factors via CSV files through the Climatiq dashboard. Now, you can use the new Private Factors API to import your data and will receive an emission factor complete with activity_ID and other necessary metadata.
By automating this process, the new Private Factors API gives you more flexibility and control to easily manage your private data.The new Private Factors API automates this process, giving you more flexibility and control over managing your private data.
We are offering exclusive early testing access to our Product Carbon Footprint (PCF) API, built on our Autopilot, Energy, and Intermodal Freight calculation features. The toolkit will address the complexity of calculating PCFs by offering automated emission factor mapping and built-in calculation logic for cradle-to-gate CO2e estimates.
Currently, the PCF API provides:
Estimates from the PCF API follow the GHG Protocol methodology for product carbon footprinting. They come with a transparent calculation trail and data quality rating based on the GHG Protocol as guidance on the accuracy of each estimate.
This version will be refined from real-world usage and we plan to roll out updates over the next few months to expand availability. To be involved directly in the testing process, you can contact our team here →
Check our API documentation to learn more →
Autopilot: Our AI-powered emission factor matching feature just upgraded to a new model version. This upgrade delivers up to 2x reduction in latency, and enhanced match precision and relevance.
Region codes: The new region code documentation gives you a full overview of region codes Climatiq accepts and returns, improving usability and comprehension.
We’ve released v1-preview3 of the Autopilot API, which comes with improved matching accuracy and greater control over the recommendation engine.
This update introduces Domains, which help you benefit from ML models trained on use-case specific data to deliver better matching results and more accurate estimations.
Additionally, our Manufacturing Domain is now using a new ML model, tailored specifically to activity data sourced from bills of materials, purchase orders and other manufacturing records.
Other improvements in preview3 include:
The release of v1-preview3 means we will discontinue preview1 and preview2 on 28th April, 2025. For a smooth transition, we recommend switching to preview3 as soon as possible.
Check out our integration guide →
Read API changelog to learn more →
Reliable, verified data helps organizations understand the climate impact of their energy use—and how to reduce it. That’s what our Energy Emissions API is made for.
The API enables reliable carbon estimates for energy usage across electricity, heat & steam, and fuel combustion - and we are proud to announce that the latest version has been released to General Access.
Notable features include:
Our Energy API is certified under ISO 14067 and can be used to build detailed and audit-ready reports for Scope 1, 2, and 3 emissions.
View API reference for Energy →
With this release, maritime emission calculations got an accuracy boost.
For container-based shipments, specifying twenty_foot_equivalent_units in the API query now applies GLEC-approved emission factors per TEU (Twenty-foot Equivalent Unit) which is derived from the dimensions of a 20ft standardized shipping container. Read more in our API reference →
In addition, all maritime shipments now benefit from a new routing algorithm. This enhancement improves distance calculations around ports and busy areas, resulting in more accurate emission estimates.
We've released two resources to increase the transparency of our emission factor dataset and calculation methodologies.
Our new Methodology Hub offers an in-depth look at how we collect, process, and verify emissions data, and how calculations are performed. It also includes details about our certifications such as ISO 14067, GLEC 3.0, and other recognized standards.
To complement the Methodology Hub, our new interactive data map allows you to explore emission factors by country and sector, providing visibility into our global coverage.

Data version 20, including new key datasets:
Notable data updates:
Energy:
Measuring transport emissions is hard, but Climatiq makes it simple. We are proud to announce that v2 of our Freight API has been released to General Access.
Freight v2 includes following improvements to unlock more accurate emission estimations for improved decision-making and reporting:

Freight v2 is certified by the Smart Freight Centre under GLEC v3 standard, and aligned with the new ISO 14083 standard, making it a bulletproof solution to build emission visibility into supply chains.
The new version of our Freight API is available to try out in our new demo.
Read more about all the changes here →
The latest version of our AI-powered emission factor matching feature is released into preview, with improved matching accuracy, and average response time cut in half for a smoother user experience.
Moreover, we have revamped the workflow for emission factor suggestions: now, when you query the Suggest endpoint, it returns emission factors that match along with unique suggestion IDs. These IDs can be directly passed to the Autopilot Estimate endpoint which provides the final emission estimation and a detailed calculation breakdown.
We have released a new preview version of our Energy endpoint, improving the calculation methodology for more accurate emission calculations. Now, when querying our Energy API, you can specify a subdivision in UN LOCODE (e.g. DE-BER for Berlin, Germany) to account for higher resolution grid data.
We have also added support for biogenic emissions reporting for our fuel endpoint, as well as data for 17 more countries. Read more here →
Data version 18, including, but not limited to:
New key datasets:
Updated:
Freight & Travel:
Procurement:
We have simplified our data versioning based on user feedback. The previous format used a major.minor format (eg. 16.16). Now, when querying the API, you only need to specify the major version (e.g. 16).
Data versions are only relevant if you are using Climatiq’s /search or /estimate endpoints. All other calculation endpoints automatically handle data versioning, always using the latest and most accurate emission factors.
Our API documentation and data versioning guide have been fully updated to explain the difference between the two versioning options: fixed and dynamic. We've also added guidance to help you choose the best option based on your needs. For most applications, we recommend using dynamic versioning, which ensures automatic updates as emission factors improve.
Read our data versioning guide here →
Tracking carbon emissions in the supply chain is complex, especially when there’s a high number of procured components to consider. That’s why we are launching a manufacturing-specific model for Autopilot, specifically designed to match bills of materials, component purchase orders, and procurement ledgers to emission factors.
The Manufacturing model is available for new and existing customers on demand.
Request access to the Autopilot Manufacturing model here →
We’re introducing a new part of the Climatiq stack, the Project Management API, to enable user-friendly deployment of Climatiq’s emission calculation solutions to users in software environments.
It allows you to manage projects and API keys via code using a top-level API key. This way, you can retrieve projects and issue API keys directly from your app, saving time and eliminating the need for manual actions in the Climatiq Dashboard. Learn more here →
Data version 17, including new key datasets:
Updated:
Check out our Data changelog for more information →
Freight & Travel:
Microsoft Excel & Google Sheets plug-ins:
Significant improvements have been implemented in our Energy feature, including:
Additionally, our energy feature now includes biogenic emissions for calculations performed using BEIS/DEFRA, EPA, CBAM, and GHG Protocol emission factors – with more coverage coming soon.
Biogenic carbon refers to carbon dioxide released during the combustion or decomposition of organic matter, such as plants and trees. Reporting biogenic CO2 separately is crucial for accurate environmental impact assessments, ensuring transparency and compliance with sustainability standards including GRI and ESRS.
Biogenic emissions are labeled by a new source_lca_activity - biogenic_co2_combustion.
Read our guide on biogenic emissions here →
With millions of users worldwide, Microsoft Excel is the go-to tool for data analysis, reporting, and planning. Our new Microsoft Excel app brings carbon insights to this universally recognized platform by providing easy, no-code access to Climatiq’s comprehensive emission factor data and powerful carbon calculation tools.
Available for beta access on the Microsoft AppSource marketplace, this add-in enables users to connect to Climatiq’s APIs to retrieve emission factors and automate complex carbon calculations–all within their familiar spreadsheet environment.

Easily estimate emissions directly in Excel spreadsheets using pre-built formulas for all of our API endpoints, including CBAM, Intermodal Freight, Travel, and Procurement. Additionally, users can search Climatiq’s database to find suitable emission factors using our AI-powered mapping tool, Autopilot.
During the beta period, the Excel add-in is available for free for non-commercial use, supporting up to 500 emission calculations per month.
Read our guide to learn more, and request access here →
Data versions 15.15 and 16.16, including new key datasets:
Updated data:
Check out our Data changelog for the full details →
Freight & Travel:
Energy:
Data Explorer:
Google Sheets Integration:
Last month, we released a preview of Source Trail feature for our Travel and Freight v2 endpoints. We are now adding this functionality to all other API calculation endpoints, including Procurement, Energy, Cloud Computing, and CBAM.
This feature provides transparency around the methodology and emission factor selection for each calculation, so that you can use the calculated results with confidence for reporting and analysis. Learn more →
The Source Trail can be supplemented with our Audit Trail add-on, which enables auditors to easily replicate calculations and understand the underlying methodology.
We have expanded our coverage of industry-specific inflation values by incorporating 2023 EU data published by Eurostat.
Adjusting for inflation is crucial when using EXIOBASE for calculating spend-based carbon footprint estimates. Aligning expenditure values to the year of the model's data ensures precise calculations, even when dealing with timeframes beyond the model's original scope. Learn more about inflation adjustments here →
To ensure the best experience with calculations involving the life cycle assessment process, we have released a new guide that covers the use of the source_lca_activity flag and how to select the correct LCA activities. Read it here →
We have also revised our previous LCA guide to include more details about the LCA concept and the updates we have introduced over the last few months.
We want to extend a heartfelt thanks to our Discord community for being an integral part of our journey at Climatiq. As we continue to grow, we’ve identified a new channel for providing support more efficiently.
Starting July 5th, 2024, we will discontinue our Discord server and provide support through a dedicated form.
Data version 14.14, including three new datasets:
Updated:
Freight:
Search:
Travel:
With the Freight v2 release just around the corner, our new rail routing algorithm is now available as an opt-in. With this algorithm, rail leg distances will use actual network data for the US, APAC and EMEA regions, greatly increasing precision and therefore making emission estimates more accurate.
To try out this feature, include the opt-in "preview_routing": true flag in the rail leg details when making an API request. Read more here →
Interested in accessing the Freight API? Reach out to our sales team →
We are releasing a preview version of the Source Trail feature in Travel and Freight v2 endpoints.
Source Trail offers insights into the emission factors used during complex emissions calculations. This feature is enabled by default, and provides the emission factor used, its source/publisher, the specific dataset, as well as additional metadata, such as the applicable year and region. Full description found here →
Users can supplement this feature with our Audit Trail add-on, which enables auditors to easily replicate calculations and understand the underlying methodology. Learn more →
We have released a new add-on to our Classification and Procurement features, which maps NAICS codes to EPA emission factors – greatly simplifying emission calculations for North America. This functionality is also available in the Procurement endpoint. Learn more →
Moreover, we have added new rules for matching NACE codes, which means better success rates in case of trailing or preceding 0’s.
Interested in accessing the Classifications API? Reach out to our sales team →
New data version 13.13, including:
Google Sheets Add-on:
Climatiq_Calculate_CBAM) and Autopilot Override endpoint (Climatiq_Calculate_Autopilot_Override) are now availableAutopilot:
We are excited to release two new endpoints for Autopilot: the Suggest endpoint, which enables better discovery of matched emission factors, and the Override endpoint, which allows for greater control over the selection of factors.
Autopilot Suggest returns multiple suggested emission factors instead of one, providing the ability to choose the best match. Number of returned options can be adjusted, allowing max. 20 suggestions to be returned. Suggestions are ordered by confidence score to simplify decision-making. Check out the documentation for more details →
Override allows you to manually replace the factors used by Autopilot for future instances of the provided prompt, allowing for precise adaptation to specific use cases. Full description found here →
Other updates to Autopilot include:
Number and Volume units are now available as inputs for estimates in addition to Weight and MoneyInterested in accessing Autopilot? Reach out to our sales team →
We've released a suite of updates for the Intermodal Freight v2 preview endpoint, featuring the addition of electric trucks and vans as transport modes in North America, as well as granular state-level data for the US. Read more here →
Other updates include:
planned_distance_km to enable more accurate emission estimatesNew data version 12.12, including:
Energy:

As an accredited provider by the Smart Freight Center, we're excited to unveil a preview version of our v2 Intermodal Freight endpoint, aligned with the latest GLEC v3 Framework and the new ISO 14083 standard for measuring and reporting greenhouse gasses in transportation.
This version incorporates the most recent emission factors released by the Smart Freight Center organization and introduces a host of enhancements, including support for electric trucks and vans using location-based electricity factors, the ability to account for emissions from logistics hubs, and end-to-end emission coverage for a refrigerated supply chain.
The preview version is available to all users with the Intermodal Freight endpoint enabled. Once out of preview, we recommend transitioning to version 2 to ensure access to the latest GLEC emission factors and other updates.
For detailed information, be sure to review the full v2 release notes, along with our new v2 guide and documentation.
Interested in accessing this endpoint? Reach out to our sales team →
Stay tuned for additional enhancements, such as US rail support, an updated audit trail, and other improvements.
In line with our commitment to providing our customers with the most accurate and comprehensive data, we’ve added the latest version of ecoinvent emission factors to Climatiq’s emission factor database.
ecoinvent is a leading provider of global environmental data based on the inputs and outputs of human activities, modeling the various steps of supply chain products and services. Climatiq’s emission factor database currently covers over 34,000 ecoinvent emission factors across 300 regions and 11,000+ activities.
Version 3.10 comes with 7,000+ new emission factors and 16,000 data modifications across various sectors, including Agriculture, Buildings and Infrastructure, Consumer Goods and Services, Energy, Equipment, Materials and Manufacturing, Transport, and Waste. Notably, v3.10 covers over 95% of the world’s petroleum and natural gas production.
View the new dataset and read the data full release changelog here.
Learn more about our partnership with ecoinvent→
Our February release marked the exciting launch of our API's General Availability version. The beta URLs under beta4.api.climatiq.io will remain accessible for the next year, until April 10th, 2025. However, to ensure a smooth transition, we highly recommend updating your integrations to use the new GA URLs as soon as possible.
Ready to upgrade? Check out our guide with migration details here →.
Our AI-powered calculation endpoint, Autopilot, provides a confidence level in the calculation results. This indicates the accuracy of the mapping between the input and the assigned emission factor, categorized as high, medium, or low.
To further enhance the precision and granularity of our automated calculations, we've introduced a new cosine similarity score. This numeric score, ranging from 0 to 1, signifies the degree of semantic similarity between the input data and the selected emission factor, where a higher score indicates a closer semantic meaning.
By combining the confidence level and match similarity score, Autopilot provides you with a comprehensive view of the mapping process and the potential need for further analysis.
Finding the right emission factors is crucial for accurate calculations. Search is one of the core resources of our platform, enabling users to find the right data points among the continuously growing dataset of factors.
We've optimized the search function, resulting in a significant 40-50ms reduction in response time for free-text queries. This means users can access the data they need even faster.
Climatiq is deeply committed to trust and data transparency. We recognize the crucial role of third-party verification, which not only reinforces our own commitment to security but also instills confidence in our partners and their customers.
In alignment with this principle, we've successfully achieved SOC 2 Type 1 certification to supplement our ISO 27001 certification. This comprehensive assessment scrutinizes the design of our systems, tools, and strategies, reinforcing the robustness and reliability of our platform and ensuring data security through established processes and controls.
Check out the certificate on our trust report→
New data version 10.10, including: