TASA-EFX Emissions Factor Exchange
TASA-EFX is the world’s most comprehensive
global, multi-tier emissions factor database.
Choose only the data you need and download now.
100% Global Coverage
148 National Models, 35,000 rLCA models, 9 billion emissions factors and extensions
Current & Up
to Date
Continuously updated by dedicated TASA scientists – currently to a 2023 model year
Deep Supply Chain Visibility
Any global sector, up to 10 supply tiers deep, with >250,000 emissions factors
& extensions in each model
GHG Protocol Conforming
Emissions data conforms with the GHG Protocol, CDP, SBTi, and all major reporting standards
National Models (EEIO)
Three Levels Of Data Products Available
Whether you’re starting, building or refining your Scope 3 strategy, TASA-EFX offers full global coverage from Open Access Silver Models to premium Gold and Platinum models with the most granular data available for a deep analysis of your value chain
Built For Climate Professionals
Emissions factors by scope and tier at producer prices
NAICS Sector crosswalk tables
Inflation data by economic sector
Currency exchange rates
Multiple years of data for historical reporting
GHG Protocol compliant
REPORT
Open Silver
Scope-Expanded
Scope 3 emissions factors for every sector of the economy — with scope 1, 2, and 3 breakdowns. Free to use for accurate reporting and to explore emissions structures with confidence
DISCOVER
Gold
Scope & Tier-Expanded
Additional emissions extensions, 3 tiers deep into the supply chain, by scopes 1, 2, and 3, sizing emissions flows for targeted engagement
REDUCE
Platinum
Scope, Tier, & Hotspot-Expanded
Additional emissions factors by scopes 1, 2 and 3 of the top 20 direct-purchased (tier 1) inputs for each economic sector, highlighting emissions hotspots for targeted mitigation
Rapid IO-LCA Industry Sector Models (rLCA)
Cradle-To-Gate Life Cycle Assessments
Rapid Input-Output Life Cycle Assessments (rLCA) offer supply chain emissions factors for every industry sector in each national economy, across 148 countries and one rest-of-the-world region
35,000
Industry Sectors
35,000 country specific, industry sector rLCA models, illuminating the operational emissions (scopes 1 & 2) embedded in scope 3, up to 10 tiers deep into the supply chain.
250,000
Emissions Exchanges
Each rLCA model provides >250,000 supply chain emissions exchanges, in one economic sector in a single national economy, identifying exactly where emissions reside for targeted management.
Search & Select Models
or Download a Sample
Learn More About
TASA-EFX Benefits
Explore the TASA-EFX
Methodology