Andorra

The European Union's Carbon Border Adjustment Mechanism (CBAM) is a regulatory tool designed to measure carbon emissions attributed to the production of high-carbon goods imported into the EU, aiming to promote cleaner practices in industrial production across non-EU countries. To this end, the European Commission publishes emission factors providing the necessary metrics for compliance and environmental integrity.

ecoinvent is a Swiss not-for-profit association that provides a Life Cycle Inventory (LCI) database that supports various types of sustainability assessments. This data enables users to gain a deeper understanding of the environmental impacts of their products and services. ecoinvent provides multiple climate impact indicators. We use "IPCC 2007 (superseded), climate change, global warming potential (GWP100)" for AR4 CO2e emisison factor values and "IPCC 2013, climate change, global warming potential (GWP100)" for AR5 values.

Greenview is a sustainability platform that provides the Hotel Footprinting Tool, utilizing data from over 27,000 hotels in the Cornell Hotel Sustainability Benchmarking index.

The International Energy Agency (IEA) provides comprehensive electricity emission factors, which are essential for understanding the carbon footprint of electricity generation across different regions and energy sources. These factors assist governments, businesses, and researchers in measuring the environmental impact of electricity consumption and in developing strategies for reducing greenhouse gas emissions in the energy sector.