Scope 1 emissions are direct greenhouse gas emissions from sources a company owns or controls, such as fuel burned in its vehicles, boilers, generators and on-site equipment.
Scope 1 emissions are the direct greenhouse gas (GHG) emissions released from sources that a company owns or controls. The term comes from the Greenhouse Gas Protocol, which splits a company's emissions into three scopes so they can be counted without double counting.
Most companies multiply activity data, such as liters of diesel or cubic meters of gas, by an emissions factor for that fuel. Results are converted to carbon dioxide equivalent (CO2e) so different gases can be added together. Refrigerant top-up records are used to estimate fugitive emissions.
A regional mining contractor runs 40 light vehicles, a fleet of haul trucks and two diesel generators. Its Scope 1 inventory adds up the diesel purchased for all of them, plus refrigerant top-ups recorded during air conditioning servicing on site offices and vehicles.
Usually, if the company has operational control over them. The GHG Protocol lets companies set boundaries by operational control, financial control or equity share, and they must apply the choice consistently.
EHS teams often already manage fuel storage, refrigerant handling and equipment maintenance, so they are well placed to collect accurate Scope 1 data and to spot leaks that are both emissions and safety issues.
Scope 1 covers emissions released directly from sources you control. Scope 2 covers emissions from generating the electricity, steam, heat or cooling you buy.
Part of SafetyIQ's EHS glossary: plain-English definitions of workplace health and safety terms.
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