Value from 2024 onwards

0.262kgCO₂e/m² area burnt

Biogenic CO₂ and land use excluded · GWP100 · AR6

FossilBio CH₄Land useBio CO₂GHG Protocol and IPCC inventories

2024–

Default: the latest yearUnchanged on 2023

Region: United Kingdom GB
Boundary: Process emissions
Data quality: MediumRated by us, not by the source
Licence: Open · OGL v3.0

Where 0.262 comes from

Published as one number

NAEI prints this factor as a single figure, with no parts to add up.

Reporting this unit under the GHG Protocol

Scope 1 0.262

Emissions from equipment you run are direct emissions, so they are your Scope 1.

CiteAPI

The factor, standardised

Every factor on open-climate.ai answers the same questions in the same words, whatever the publisher. Open any ⓘ for the definition.

Land use and removals › Land-use change · United Kingdom · per m² area burnt · Average

Category: Land use and removals › Land-use change; Browse it to compare every publisher's factors
Activity: Accidental fires - vegetation - Area burnt; NAEI: Accidental fires - vegetation
Region: United KingdomGB; Not on the record; set from NAEI's coverage
Per unit: m² area burnt; Published as hectares; multiplied by 100 to serve it per m² area burnt
Data type: Average; No supplier named

Process emissions · Excl. biogenic CO₂ · AR6

Boundary: Process emissions; NAEI: non-IPCC_non
GWP method: IPCC AR6, 100-year horizon; Re-weighted by open-climate.ai from NAEI's AR5 figure of 0.264 kgCO₂e/m² area burnt
CO₂e basis: Excl. biogenic CO₂FossilBio CH₄Land useBio CO₂GHG Protocol and IPCC inventories; Split by gas
Life cycle: Upstream: not coveredProduction: partly coveredDownstream: not coveredEnd of life: not covered

Medium quality · Open licence · 1990 to now

Data quality: Medium; Rated by us, not by the source
Applies to: 2024– (2024 onwards); Reference year 2024 · a value for every year back to 1990
Origin: Re-weighted by open-climate.ai from NAEI's AR5 figure
Licence: Open · Open Government Licence v3.0; Free to reuse, with attribution

All values

35 values, one per year back to 1990. Every one is biogenic CO₂ and land use excluded, AR6 GWP100, so the years compare directly.

Latest0.262 2024–

Change since 19900%

2024 onwards0.262Default value

Year

Every value of Accidental fires - vegetation - Area burnt, United Kingdom
AppliesYears	TotalkgCO₂e/m² area burnt
	0.262Default value
	0.262
	0.262
	0.262
	0.262
	0.262
	0.262
	0.262
	0.262
	0.262
	0.262
	0.262
	0.262
	0.262
	0.262
	0.262
	0.262
	0.262
	0.262
	0.262
	0.262
	0.262
	0.262
	0.262
	0.262
	0.262
	0.262
	0.262
	0.262
	0.262
	0.262
	0.262
	0.262
	0.262
	0.262

Default: what search and the API return when you ask for nothing specific

What this number covers

What NAEI counts in the figure for 1 m² area burnt, phase by phase.

Your record
1 m² area burnt in your records. The factor is per m² area burnt.
= 0.262

Outside this boundary

Fuel supply chain
Fuel combustion
Plant and equipment

NAEI does not count any of this in the figure for 1 m² area burnt.

Gases

Basis: Excl. biogenic CO₂FossilBio CH₄Land useBio CO₂GHG Protocol and IPCC inventories

Methane (CH₄)0.262

Each gas is converted to CO₂e with AR6 100-year warming potentials; biogenic CO₂ and land-use carbon are left out, while methane from biogenic sources is counted.

From NAEI's record to a comparable factor

NAEI publishes this factor as one record. Here is each field as printed and what open-climate.ai made of it.

NAEI fields and their standardised form
NAEI field	As printed		Served as
Name	Accidental fires - vegetation	→	Accidental fires - vegetation - Area burnt
Category	Memo	→	Land use and removals › Land-use change
Boundary	non-IPCC_non	→	Process emissions
Total	0.00264	→	0.262 kgCO₂e/m² area burnt, process emissions
Unit	hectares	→	per m² area burnt, multiplied by 100
GWP	AR5	→	AR6, GWP100

Checks this factor passed

One value per year from 1990, no gaps, no overlaps.
Printed value multiplied by 100 to serve it per m² area burnt.
Printed total restated by open-climate.ai from AR5 to AR6 with the published gas split: 0.264 → 0.262 kgCO₂e/m² area burnt.
Unit, region, boundary and method mapped to fixed code lists.

How we standardise every library

About this factor

NAEI gives no description for this factor. Filed under Memo.

Source and licence

Publisher: UK National Atmospheric Emissions Inventory (NAEI), compiled for Defra and DESNZ by Ricardo Energy & Environment
Library: NAEI 2026

Open the record at NAEI

Open Government Licence v3.0 Open

The values and their metadata are served in full and may be reused with credit to the publisher.

Credit it with this line(c) Crown 2026 copyright Defra and DESNZ via naei.energysecurity.gov.uk, licenced under the Open Government Licence (OGL).

A plain reading of the licence, not legal advice. The licence text prevails.

Cite this factor

(c) Crown 2026 copyright Defra and DESNZ via naei.energysecurity.gov.uk, licenced under the Open Government Licence (OGL). Normalised by open-climate.ai, https://open-climate.ai/factors/libraries/naei_uk/ (CC BY 4.0). https://open-climate.ai/factors/ef-naeiuk-accidental_fires-gb-m2_burnt-process_direct-6a70f417/?v=efv1-e09ed3680bc3c67166c48bc09629f09d

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