guide · last reviewed 2026-04-29
Scope 1, 2, and 3 for small suppliers
Plain-English context for emissions questions that appear in supplier questionnaires.
Summary
Emissions questions can be useful but easy to overstate. Mark estimates and review assumptions before sharing.
Audience: Small suppliers receiving carbon questions. Risk level: medium.
Start with what you know
Energy bills, fuel use, and site information are practical first inputs.
Be clear about estimates
If numbers are estimated or partial, do not present them as assured or complete.
Connect to the request
Answer the buyer question first, then explain limitations where needed.
Source basis
Regulatory or legal conclusions should be reviewed against current official sources before being used externally.