Glossary term

fossil carbon

A regulatory term referring to carbon that is contained in fossilized material.

1 official sourcessingle_source

What does fossil carbon mean?

Fossil carbon is carbon contained in fossilized material, separated from biogenic carbon because its source and climate-accounting implications differ.

Official definitions by source

ISO 14067:2018

ISO 14067:2018 - Greenhouse gases — Carbon footprint of products

carbon that is contained in fossilized material

Reference: 3.1.7.3

View official source

Regulatory context

This term originates in ISO 14067:2018 and/or ISO 14044 LCA methodology. It is used in EU product regulation — particularly under the EU Battery Regulation (PEF method for carbon footprint) and ESPR (environmental footprint) — because both regulations require lifecycle-based quantification of environmental impacts. Practitioners applying these regulations should be familiar with these LCA/PEF concepts to correctly scope, conduct, and verify product-level environmental assessments.

Practical application

This term matters when product footprints distinguish carbon associated with fossil feedstocks or fuels from carbon associated with biological-origin material.

Minespider commentary

For Minespider, fossil carbon is a carbon-source classification term.

Common confusions

Assuming the everyday meaning of fossil carbon is enough without checking the official source definition.
Using fossil carbon as a loose generic label rather than the narrower meaning used in the source text.
Assuming fossil carbon can be interpreted without understanding methodology, scope, or lifecycle context.