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Which emission factors do we use?

The Climate Hub offers emission factors from the following databases, which are updated regularly:

  • Umweltbundesamt (UBA) incl. ProBas (Prozessorientierte Basisdaten für Umweltmanagement-Instrumente)

  • Ecoinvent (factors only visible if a license is purchased)

  • Department for Environment, Food and Rural Affairs (DEFRA)

  • Intergovernmental Panel on Climate Change (IPCC)

  • Global Logistics Emissions Council (GLEC)

The Climate Hub also allows you to search Climatiq's external database, giving our customers access to more than 500,000 emission factors from over 60 databases (as of May 2026). How you can integrate these emission factors into the Climate Hub, and which databases are accessed, is explained in the following two articles: activity-based and spend-based.