Measuring Scope 1 GHG Emissions 2.3b

Scope 1 emissions include four primary categories: stationary combustion, mobile combustion, process emissions, and fugitive emissions. Stationary combustion refers to emissions from burning fuels in fixed equipment such as boilers and turbines, typically used in industrial processes. Power plants and industrial facilities are major contributors to these emissions, primarily releasing CO₂.
Mobile combustion covers emissions from company-owned vehicles like cars, trucks, and aircraft. Reducing emissions from mobile sources can involve improving fuel efficiency or transitioning to electric vehicles.
Process emissions come from chemical reactions during industrial production, such as cement or steel manufacturing. These emissions are inherent to production processes but can be mitigated by using alternative technologies and materials. Lastly, fugitive emissions involve unintentional gas leaks from equipment like pipelines or storage tanks, especially in the oil and gas industry. Managing these emissions requires regular monitoring and advanced detection technologies.
Agricultural emissions are a significant part of Scope 1 greenhouse gas (GHG) emissions, directly originating from farming activities like enteric fermentation, manure management, and rice cultivation. These processes release methane (CH₄) and nitrous oxide (N₂O), potent GHGs with much higher global warming potential than carbon dioxide (CO₂). Enteric fermentation in ruminant animals is one of the largest agricultural emission sources, contributing significant methane through the digestive process. Manure management releases both methane and nitrous oxide during waste handling, especially under anaerobic conditions. Rice cultivation in flooded fields also emits methane, depending on water management practices.
Land-use changes, such as deforestation and peatland drainage, further contribute to Scope 1 emissions. Deforestation releases CO₂ stored in trees, while peatland drainage oxidizes organic matter, releasing both CO₂ and methane. These activities, combined with land management practices, account for a considerable share of global GHG emissions.
To measure Scope 1 emissions, organizations use direct measurements, calculation-based methods, or mass balance approaches. Each method varies in accuracy and cost, depending on the operational context. For example, direct measurement provides precise real-time data but can be expensive, while calculation-based methods use emission factors and activity data, offering a more cost-effective solution.
To reduce Scope 1 emissions, companies can implement strategies like energy efficiency improvements, fleet electrification, process optimization, on-site renewable energy generation, and fuel switching. Leak detection and repair (LDAR) programs can also significantly cut fugitive emissions, particularly methane. These strategies not only mitigate GHG emissions but also enhance efficiency, reduce costs, and improve regulatory compliance, helping organizations align with global sustainability goals.
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0:00 - Introduction
1:26 - Stationary Combustion
5:21 - Mobile Combustion
8:07 - Process Emissions
11:22 - Fugitive Emissions
14:28 - Agriculture Emissions
18:57 - Land use Emissions
23:35 - Measuring Scope 1 Emissions
28:01 - Example: Manufacturing Unit
29:46 - Strategies for Reducing
37:25 - Wrapping UP
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References
https://ghgprotocol.org/
https://www.fao.org/faostat/en/#data/EM
https://www.ipcc-nggip.iges.or.jp/pub...
https://www.epa.gov/climateleadership...
https://www.epa.gov/sites/default/fil...
https://www.epa.gov/ghgemissions/inve...
https://www.researchgate.net/publicat...
https://ghgprotocol.org/sites/default...
https://www.ipcc-nggip.iges.or.jp/pub...

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