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Quest Diagnostics Inc
Quest Diagnostics's GHG Emissions Data Preview
In 2024, Quest Diagnostics completed a corporate carbon footprint assessment and publicly disclosed its greenhouse gas (GHG) emissions according to the GHG Protocol, covering Scope 1 (direct emissions from owned or controlled sources), Scope 2 (indirect emissions from purchased energy) and Scope 3 (indirect emissions across the value chain).
Quest Diagnostics has also provided a category-level breakdown for 6 out of 15 Scope 3 emissions categories, offering greater transparency into its value chain emissions.
| Metric (tCO2e) | 2024 | 2023 | 2022 | 2021 - 2017 |
|---|---|---|---|---|
Total Scope 1 | Copy restricted. Please purchase to unlock this data.  a | Copy restricted. Please purchase to unlock this data.  | Copy restricted. Please purchase to unlock this data. | 0000000 |
Total Scope 2 | ||||
Market-Based | Copy restricted. Please purchase to unlock this data.  a | Copy restricted. Please purchase to unlock this data. | Copy restricted. Please purchase to unlock this data. | 0000000 |
Location-Based | Copy restricted. Please purchase to unlock this data.  a | Copy restricted. Please purchase to unlock this data. | Copy restricted. Please purchase to unlock this data. | 0000000 |
Total Scope 3 | Copy restricted. Please purchase to unlock this data.  a | Copy restricted. Please purchase to unlock this data. | Copy restricted. Please purchase to unlock this data. | 0000000 |
Total Scope 1 Revenue Intensity (tCO2e/$M) | Copy restricted. Please purchase to unlock this data.  a | Copy restricted. Please purchase to unlock this data. | Copy restricted. Please purchase to unlock this data. | 0000000 |
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aVerified Sources Behind Quest Diagnostics’s Greenhouse Gas (GHG) Emissions Data
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Insights into Quest Diagnostics's Operational Emissions
In 2024, the total operational greenhouse gas (GHG) emissions ofQuest Diagnostics amounted to194,701metric tons of CO2 equivalent.This figure includes both direct emissions from owned or controlled sources (Scope 1) and indirect emissions from purchased energy (Scope 2).a
Compared to 2021, the total operational greenhouse gas (GHG) emissions of Quest Diagnosticsdecreased by 43.59%, showing that the company has made progress in taking action to reduce the climate impact of its operations.ab
Quest Diagnostics's Scope 1 Emissions Over Time
- Total Scope 1
- Year-over-Year Change
What are Quest Diagnostics's Scope 1 emissions?
In 2024, the total Scope 1 emissions of Quest Diagnostics were 111,724 metric tons of COâ‚‚ equivalent (tCOâ‚‚e).a
Compared to the previous year(2021), Quest Diagnostics's Scope 1 emissions decreased by 53.24%, highlighting the company's efforts to lower direct emissions from assets it owns or controls.ab
What are Quest Diagnostics's Scope 2 emissions?
In 2024, Quest Diagnostics reported Scope 2 greenhouse gas (GHG) emissions of 72,820 tCOâ‚‚e using the market-based method and 82,977 tCOâ‚‚e using the location-based method.a
Has Quest Diagnostics reduced its Scope 2 emissions over time?
Compared to the previous year(2021), Quest Diagnostics's Scope 2 emissions(Location-Based) fell by 21.9% in 2024, showing that the company has made progress in taking action to reduce the climate impact of its energy consumption.ab
What methodology does Quest Diagnostics use for Scope 2 reporting?
In 2024, Quest Diagnostics reported its Scope 2 emissions using the market-based method and using the location-based method.a
Quest Diagnostics's Scope 2 Emissions Over Time
- Total Scope 2 Location-Based
- Total Scope 2 Market-Based
Insights into Quest Diagnostics's Value Chain Emissions
In 2024, Quest Diagnostics reported 567,329 metric tons of COâ‚‚ equivalent (tCOâ‚‚e) of Scope 3 greenhouse gas (GHG) emissions, representing indirect emissions across its upstream and downstream value chain.a
The 2024 disclosure of Quest Diagnostics includes a breakdown across 6of the 15 Scope 3 categories defined by the GHG Protocol,matching the level of disclosure in 2021, demonstrating consistent Scope 3 emissions reporting coverage year over year.a
Quest Diagnostics's Scope 3 Emissions Over Time
- Total Scope 3
- Year-over-Year Change
What are Quest Diagnostics's Scope 3 emissions?
In 2024, Quest Diagnostics reported total Scope 3 emissions of 567,329 metric tons of COâ‚‚ equivalent (tCOâ‚‚e).a
Approximately 100%of these emissions originated from upstream activities such as purchased goods and capital goods, while 0%came from downstream activities like product use, distribution, and end-of-life treatment.a
Compared to the previous year (2021), Quest Diagnostics's Scope 3 emissions decreased by 97.71%, highlighting the company's efforts to lower indirect emissions from its value chain.ab
What categories of Scope 3 emissions does Quest Diagnostics disclose?
In 2024, Quest Diagnostics reported emissions for 6 out of the 15 Scope 3 categories defined by the GHG Protocol.a
This partial disclosure allows for some insight into the company's indirect impacts.
What are the main sources of Quest Diagnostics's Scope 3 emissions?
In 2024, the largest contributors to Quest Diagnostics's Scope 3 emissions were:a
- Purchased Goods and Services (Cat. 1): 285,625 tCOâ‚‚e(50.35%)
- Employee Commuting (Cat. 7): 115,819 tCOâ‚‚e(20.41%)
- Upstream Transportation and Distribution (Cat. 4): 89,682 tCOâ‚‚e(15.81%)
Quest Diagnostics's Scope 3 Emissions by Categories
Insights into Quest Diagnostics’s GHG Emissions Intensity Compared to Industry Peers
In 2024, Quest Diagnostics reported Scope 1 greenhouse gas (GHG) emissions of 111,724 tCOâ‚‚e and total revenues of USD 9,872 millions. This translates into an emissions intensity of 11.32 tCOâ‚‚e per millions USD.a
Quest Diagnostics's Scope 1 Emissions Intensity Compared to Peers
How does Quest Diagnostics's GHG emissions intensity compare to its peers?
In 2024, Quest Diagnostics reported a Scope 1 emissions intensity of 11.32 tCOâ‚‚e per millions USD. Compared to the peer group median of 4.56, this places the company above its industry benchmark, indicating it is less carbon-efficient than most competitors.a
Where does Quest Diagnostics rank on GHG emissions intensity within its industry?
In 2024, Quest Diagnostics ranked 22 out of 24 companies in its industry peer group, based on Scope 1 emissions intensity (measured in tCOâ‚‚e per millions USD).a
This places Quest Diagnostics among the least efficient performers, with one of the highest emissions intensities in its sector.a
Insights into Quest Diagnostics's Total Carbon Footprint
In 2024, Quest Diagnostics reported a total carbon footprint of 762,030 metric tons of COâ‚‚ equivalent (tCOâ‚‚e) across Scope 1, Scope 2, and Scope 3 emissions. This represents a 96.97% decrease compared to 2021, indicating progress in reducing its overall greenhouse gas output.ab
The largest contributor to Quest Diagnostics's total carbon footprint was Scope 3 emissions, accounting for 74.45% of the company's total carbon footprint, followed by Scope 1 emissions at 14.66%.a