Emissions Accounting and Scope

What is Scope 1, 2, and 3 emissions?

• Scope 1: Direct emissions (e.g. fuel combustion)

• Scope 2: Indirect emissions from purchased energy

• Scope 3: All other indirect emissions in the value chain

Sentinel Earth supports companies in measuring all three scopes and insetting or offsetting strategically across their value chain.

What are residual emissions?

Residual emissions are those that cannot be feasibly reduced and must be neutralized via carbon removal.

Sentinel Earth helps companies define and plan for residuals as part of science-based net-zero strategies.

What is lifecycle emissions accounting?

This method measures emissions across a product or service’s full lifecycle — including raw materials, production, use, and disposal.

Sentinel Earth supports full value chain assessments aligned with GHG Protocol.