Scope 1 GHG emissions: Top 10 global tech companies 2023

Of the leading ten technology companies worldwide based on market capitalization, Samsung is the company with the most scope 1 greenhouse gas (GHG) emissions at approximately 3.73 million metric tons of carbon dioxide equivalent (MTCO2e) based on the company's most recent 2023 figures. TSMC ranked second in scope 1 emissions, recording about 1.6 million MTCO2e in 2023. Scope 1 emissions are any direct emissions from the firm itself that is within their control. This includes any emissions associated with fuels, heating sources, and company-owned vehicles.

Scope 1 greenhouse gas emissions from leading tech companies worldwide in 2023, by company (in metric tons of CO2 equivalent)

Characteristic	Emissions in metric tons CO2 equivalent
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Release date

October 2024

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Region

Worldwide

Survey time period

2023 and 2024

Supplementary notes

Top 10 companies based on market capitalization, who reported their greenhouse gas (GHG) emissions in the past two years.
The figures are based on the most recently published sustainability or corporate governance reports of the respective companies.

A company's GHG emissions are classified into three scopes:
Scope 1 is any direct emissions from the firm itself within their control. This includes emissions associated with fuels, heating sources, and company-owned vehicles.
Scope 2 is any indirect emissions resulting from the generation of purchased energy (e.g., electricity).
Scope 3 is all indirect emissions (not included in scope 2) that occur somewhere in the firm's value chain. This is typically the largest section for emissions and can be the most difficult to quantify.

Company emissions data is from 2023 unless specified otherwise.
* 2024

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