Cement emissions intensity by leading company 2023| Statista

The gross scope 1 emissions intensity of Italian cement manufacturer Buzzi Unicem was 665 kilograms of carbon dioxide per metric ton of cementitious material (kg CO₂/t) in 2023, the highest among the leading cement manufacturers displayed. The carbon intensity of these leading global cement producers ranged between 569 and 665 kg CO₂/t of cementitious material that year.

Gross emissions intensity of cement production worldwide in 2023, by select company (in kilograms of carbon dioxide per metric ton of cementitious material)

Characteristic	Gross emissions in kg CO₂/t of cementitious product
Buzzi Unicem (Italy)	665
Taiwan Cement (Taiwan)	661
Cement Roadstone Holding (Ireland)	616
Cemex (Mexico)	603
Siam Cement (Thailand)	592
Holcim (Switzerland)	587
Votorantim Cimentos (Brazil)	587
Ambuja Cement (India)	569
Heidelberg Materials (Germany)	569

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Release date

2025

More information

Region

Worldwide

Survey time period

2023

Special properties

Figures represent gross Scope 1 emissions

Supplementary notes

Scope 1 (direct) GHG emissions are those deriving from sources associated to a company’s assets, such as from kiln combustion of fuels related to cement clinker production and combustion of fuels for on-site power generation.

This statistic has been compiled from multiple company annual reports:

Ambuja cement: figure taken from the company's sustainability report 2023-24 (page 219).
Buzzi unicem: figure taken from the company's sustainability report 2023 (page 60).
Cement Roadstone Holding: figure taken from the company's sustainability report 2023 (page 81).
Cemex: figure taken from the company's integrated report 2023 (page 202).
Heidelberg Materials: figure taken from the company's annual and sustainability report 2023 (page 356).
Holcim: figure taken from the company's climate report 2023 (page 87).
Siam cement: figure taken from the company's sustainability report 2023 (page 124).
Taiwan cement: figure taken from the company's sustainability report 2023 (page 186).
Votorantim cimentos: figure taken from the company's integrated report 2023 (page 116).