Ciena Corp
Ciena's GHG Emissions Data Preview
In 2024, Ciena 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).
However, Ciena has not published a category-level breakdown of its Scope 3 emissions, limiting visibility into specific value chain sources.
| 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.  b | Copy restricted. Please purchase to unlock this data.  b | 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 |
Unspecified Calculation Method | Copy restricted. Please purchase to unlock this data. | Copy restricted. Please purchase to unlock this data.  b | Copy restricted. Please purchase to unlock this data.  b | 0000000 |
Total Scope 3 | Copy restricted. Please purchase to unlock this data.  a | Copy restricted. Please purchase to unlock this data.  b | Copy restricted. Please purchase to unlock this data.  b | 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.  b | Copy restricted. Please purchase to unlock this data.  b | 0000000 |
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bVerified Sources Behind Ciena’s Greenhouse Gas (GHG) Emissions Data
Every figure on this dashboard has a transparent audit trail. With Tracenable, each data point is traceable back to its original source, viewable directly inside our platform. Explore Ciena’s data sources below and access millions more through our Disclosure Search.
Insights into Ciena's Operational Emissions
In 2024, the total operational greenhouse gas (GHG) emissions of Ciena amounted to 15,984 metric 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 2023, the total operational greenhouse gas (GHG) emissions of Ciena increased by 646.22%, suggesting that the company faced challenges in reducing its emissions from its core operations. a b
Ciena's Scope 1 Emissions Over Time
- Total Scope 1
- Year-over-Year Change
What are Ciena's Scope 1 emissions?
In 2024, the total Scope 1 emissions of Ciena were 1,709 metric tons of CO₂ equivalent (tCO₂e). a
Has Ciena reduced its Scope 1 emissions over time?
Since 2018, Ciena's Scope 1 emissions have decreased by 13.58%, reflecting a declining long-term trend in Scope 1 emissions over time. a c
Compared to the previous year (2023), Ciena's Scope 1 emissions decreased by 19%, highlighting the company's efforts to lower direct emissions from assets it owns or controls. a b
What are Ciena's Scope 2 emissions?
In 2024, Ciena reported Scope 2 greenhouse gas (GHG) emissions of 0 tCO₂e using the market-based method and 14,275 tCO₂e using the location-based method. a
What methodology does Ciena use for Scope 2 reporting?
In 2024, Ciena reported its Scope 2 emissions using the market-based method and using the location-based method. a
Ciena's Scope 2 Emissions Over Time
- Total Scope 2 Location-Based
- Total Scope 2 Market-Based
- Total Scope 2 (Unspecified Calculation Method)
Insights into Ciena's Value Chain Emissions
In 2024, Ciena reported 1,722,455 metric tons of CO₂ equivalent (tCO₂e) of Scope 3 greenhouse gas (GHG) emissions, representing indirect emissions across its upstream and downstream value chain. a
The 2024 disclosure of Ciena includes a breakdown across 0 of the 15 Scope 3 categories defined by the GHG Protocol, down from 7 in 2023, indicating a decline in reporting granularity and reduced insight into the company's full value chain emissions. a
Ciena's Scope 3 Emissions Over Time
- Total Scope 3
- Year-over-Year Change
What are Ciena's Scope 3 emissions?
In 2024, Ciena reported total Scope 3 emissions of 1,722,455 metric tons of CO₂ equivalent (tCO₂e). a
Has Ciena reduced its Scope 3 emissions over time?
Since 2018, Ciena's Scope 3 emissions have increased by 2,409.38%, reflecting a rising long-term trend in Scope 3 emissions over time. a c
Compared to the previous year (2023), Ciena's Scope 3 emissions decreased by 28.98%, highlighting the company's efforts to lower indirect emissions from its value chain. a b
Insights into Ciena’s GHG Emissions Intensity Compared to Industry Peers
In 2024, Ciena reported Scope 1 greenhouse gas (GHG) emissions of 1,709 tCO₂e and total revenues of USD 4,015 millions. This translates into an emissions intensity of 0.43 tCO₂e per millions USD. a
Ciena's Scope 1 Emissions Intensity Compared to Peers
How does Ciena's GHG emissions intensity compare to its peers?
In 2024, Ciena reported a Scope 1 emissions intensity of 0.43 tCO₂e per millions USD. Compared to the peer group median of 0.87 , this places the company below its industry benchmark, indicating it is more carbon-efficient than most competitors. a
Where does Ciena rank on GHG emissions intensity within its industry?
In 2024, Ciena ranked 7 out of 22 companies in its industry peer group, based on Scope 1 emissions intensity (measured in tCO₂e per millions USD). a
Ciena is therefore positioned in the mid-range of its industry, neither a clear leader nor a laggard in carbon efficiency. a
Insights into Ciena's Total Carbon Footprint
In 2024, Ciena reported a total carbon footprint of 1,738,439 metric tons of CO₂ equivalent (tCO₂e) across Scope 1, Scope 2, and Scope 3 emissions. This represents a 28.38% decrease compared to 2023, indicating progress in reducing its overall greenhouse gas output. a b
The largest contributor to Ciena's total carbon footprint was Scope 3 emissions, accounting for 99.08% of the company's total carbon footprint, followed by Scope 2 emissions at 0.82%. a