Libraries

France's public emission factor database, maintained by the French Agency for Ecological Transition (ADEME) and the reference for carbon reporting in France.

5,614factors7,151values146countries

The European Union's default values for the emissions embedded in imported cement, iron and steel, aluminium, fertilisers and hydrogen, set under the Carbon Border Adjustment Mechanism (CBAM).

13,951factors13,951values121countries

The UK government's greenhouse gas conversion factors for company reporting, published every year by the Department for Energy Security and Net Zero (DESNZ).

2,136factors2,172values38countries

Denmark's two electricity declarations from Energinet, the Danish transmission system operator: a location-based factor for each of the two price areas, DK1 and DK2, and the national residual mix for market-based reporting.

24factors264values2regions

Denmark's two electricity declarations from Energinet, the Danish transmission system operator: a location-based factor for each of the two price areas, DK1 and DK2, and the national residual mix for market-based reporting.

2factors64values1country

Italy's official CO2 emission factors for electricity production and consumption, and for the fuels burned in power plants, published every year by the national environmental research institute ISPRA.

76factors1,394values1country

Year-by-year CO2 intensities of fuels and transport for each EU member state and the EU27, 2000 to 2023, from JRC-IDEES-2023, the integrated database of the European energy system built by the European Commission's Joint Research Centre.

4,336factors97,475values27countries

Norway's average fossil CO2 per kilometre driven for cars, vans, heavy vehicles and motorcycles, from the Norwegian Environment Agency (Miljødirektoratet).

7factors7values1country

Spain's official emission factors for the national carbon footprint register, published every spring by the Ministry for the Ecological Transition and the Demographic Challenge (MITECO).

874factors5,817values1country

Sweden's national combustion emission factors for stationary fuels, road vehicles, working machinery and other transport, published every year with the greenhouse gas inventory by the Swedish Environmental Protection Agency (Naturvårdsverket).

286factors8,700values1country

Norway's two official electricity declarations from the Norwegian Water Resources and Energy Directorate (NVE): a location-based and a market-based emission factor per year.

6factors126values1country

The official Dutch list of energy carriers and standard CO2 emission factors, published by RVO through the Dutch Emissions Authority for national inventory, emissions reporting and EU ETS use.

102factors306values1country

Norway's national combustion emission factors for stationary plants, aviation, road traffic, navigation and other mobile sources, by fuel and source, as used in Norway's official emissions to air statistic and published by Statistics Norway (SSB).

255factors3,015values1country

Statistics Finland's emission factors in two series: combustion CO2 for the fuels burned in Finland, from the national fuel classification, and the CO2 per kWh of Finnish electricity, district heat and industrial steam for every year from 2000 to 2024.

125factors629values1country

Austria's harmonised greenhouse gas emission factors for energy carriers and means of transport, published by the Umweltbundesamt, the Austrian Environment Agency.

214factors214values1country

Germany's emission factors for renewable and conventional energy carriers in electricity, heat and transport, from the Umweltbundesamt's annual emissions balance of renewable energy and the German electricity mix.

95factors97values1country

Germany's emission factors for renewable and conventional energy carriers in electricity, heat and transport, from the Umweltbundesamt's annual emissions balance of renewable energy and the German electricity mix.

410factors410values1country

Iceland's national emission factors from the Icelandic Environment and Energy Agency: fuels, road vehicles, electricity, geothermal hot water, waste, fertiliser and refrigerants, with the electricity and hot-water series for every year from 2016 to 2024.

66factors230values1country

Grid electricity intensity for Canada and each of its 13 provinces and territories, from 1990 to 2024, taken from Environment and Climate Change Canada's National Inventory Report.

55factors535values1country

The US Environmental Protection Agency's eGRID output emission rates for electricity generation, by eGRID subregion and for the United States as a whole, in kg CO2e per kWh.

299factors299values1country

The US Environmental Protection Agency's GHG Emission Factors Hub: physical factors for fuels, electricity, steam, transport, business travel and waste, for corporate greenhouse gas inventories in the United States.

628factors656values1country

Mexico's official national grid electricity emission factor (FESEN), published once a year for reporting to the national emissions register.

2factors18values1country

Brazil's average CO2 emission factor for electricity on the National Interconnected System (SIN), one value per year from 2006 to 2025, published by the Ministry of Science, Technology and Innovation (MCTI) for greenhouse gas inventories.

1factor20values1country

Thailand's national grid electricity CO2 intensity, per kWh generated and per kWh consumed, published by the Energy Policy and Planning Office (EPPO) of the Ministry of Energy.

4factors104values1country

Japan's statutory emission factors for reporting companies: one coefficient per electricity retailer and tariff menu, per city gas and heat supplier, and per fuel, published by the Ministry of the Environment and METI.

1,929factors2,007values1country

Taiwan's national carbon footprint coefficient database: life cycle emission factors for materials, fuels, electricity, transport and services, published by the Ministry of Environment (MOENV) for use in product carbon footprints.

934factors1,158values3countries

New Zealand's official emission factors for organisational greenhouse gas inventories, published by the Ministry for the Environment in its Measuring Emissions Catalogue.

1,186factors1,210values61countries

Australia's National Greenhouse Accounts Factors, published every year by the Department of Climate Change, Energy, the Environment and Water (DCCEEW).

243factors244values1country

Emission factors from the IPCC Emission Factor Database (EFDB), the default and country-submitted values behind national greenhouse gas inventories, together with the IPCC AR6 table of global warming potentials.

1,881factors2,383values8countries

France's public life cycle database for food, published by ADEME with the climate footprint of 2,451 food products at every stage from the farm to the consumer, and of 435 farm products as they leave the farm.

29,840factors29,840values15countries

An Australian embodied carbon database from UNSW Sydney, giving cradle to point of sale factors for construction materials, energy, transport and waste disposal.

1,938factors1,938values1country

Korea's Environmental Product Declaration register: the certified carbon footprint of each product, per life cycle stage, published by the Korea Environmental Industry and Technology Institute (KEITI).

10,895factors10,895values1country

Taiwan's carbon footprint labels: the verified life cycle footprint of each labelled product and service, per declared unit, published by the Ministry of Environment (MOENV).

904factors904values1country

Germany's public database of life cycle data for construction products, run by the Federal Institute for Research on Building, Urban Affairs and Spatial Development (BBSR).

38,983factors39,554values38countries

Spend-based emission factors in kg CO2e per Norwegian krone for every account of the Norwegian state chart of accounts, from the Norwegian Agency for Public and Financial Management (DFØ).

183factors915values1country

232factors7,888values1country

A global multi-regional input-output model that gives the supply chain emissions per euro spent on 200 products and 163 industries in 49 countries and regions.

14,805factors103,635values44countries

An open, global input-output model by Watershed that gives the supply chain emissions per unit of spend for 400 sectors in 148 countries.

59,538factors59,538values148countries

An open input-output model of the Canadian economy by CIRAIG, giving the supply chain emissions per Canadian dollar spent on 472 commodities in Canada's 13 provinces and territories.

5,782factors5,782values13regions

Spend-based emission factors in kg CO2e per Swedish krona for public purchases, keyed on CPV procurement codes, from Upphandlingsmyndigheten (the Swedish National Agency for Public Procurement).

267factors267values1country

The US Environmental Protection Agency's supply chain emission factors for US commodities, per dollar spent, built from the USEEIO input-output model for 392 commodities.

1,176factors1,176values1country

The European Residual Mixes of the Association of Issuing Bodies (AIB): electricity emission factors for 34 European countries, with the residual, production, supplier and green mixes side by side.

204factors780values34countries

Boavizta's open database of the carbon footprints that manufacturers publish for their IT devices: laptops, desktops, monitors, servers, phones, tablets, printers and more, one life cycle total per device.

3,516factors3,516values1country

The Belgian list of CO2 emission factors for fuels, electricity, heat, passenger transport, refrigerants and waste, run by EnergieID and BENOR.

512factors938values1country

The Dutch list of CO2 emission factors for fuels, electricity, heat, transport, refrigerants and waste, maintained by Rijkswaterstaat and Stichting Stimular for the footprints of Dutch organisations.

578factors3,198values1country

Denmark's national combustion emission factors for stationary plants and mobile sources, by fuel and technology, as used in the Danish national emission inventories and published by DCE, the Danish Centre for Environment and Energy at Aarhus University.

1,160factors1,160values1country

Yearly electricity data for over 200 countries and regions from Ember, an energy think tank, with the lifecycle carbon intensity of each grid and of each power source.

1,321factors32,068values209countries

Default emission intensities for freight transport and logistics hubs from the GLEC Framework, Smart Freight Centre's guide to logistics emissions accounting under ISO 14083.

1,695factors1,695values3countries

The Center for Resource Solutions' Green-e residual mix emission rates for the 27 US eGRID subregions, the market-based counterpart to eGRID's location-based rates for Scope 2 electricity.

27factors270values27regions

Life cycle assessments of NVIDIA graphics processors used for artificial intelligence, by Hubblo and TIDE: the carbon footprint of each card or module, with its manufacturing, distribution and end of life stages.

38factors38values1country

Finland's climate data for the food service sector, published by Luke (Natural Resources Institute Finland), with the carbon footprint of 1,233 raw food ingredients from the Fineli food composition database.

729factors729values1country

Farm-gate carbon footprints in kg CO2e per kg for raw food commodities in 79 producing countries, split by process, from SAFAD, the food and diet assessment tool of the Swedish University of Agricultural Sciences (SLU).

13,523factors13,523values79countries

Emission factors for UK food and drink from WRAP's UK Food & Drink Emission Factors Database, compiled from a dozen research and industry databases and split by life cycle stage.

3,897factors3,897values23countries