Carbon Dioxide Equivalent (CO₂e) (CO₂e)
Quick answer
A single unit that bundles all greenhouse gases (CO₂, methane, nitrous oxide and others) into the warming impact they'd have as an equivalent amount of CO₂ — the standard unit for reporting travel emissions.
Our full guide to Carbon Dioxide Equivalent (CO₂e) is on its way. In the meantime, explore the related terms below or browse the full corporate travel glossary.
You might like
A specialist agency that books and manages corporate travel on a company's behalf — handles bookings, after-hours support, supplier deals, reporting and duty of care.
The self-service booking website travellers use to book flights, hotels, cars and rail inside policy — usually integrated with the TMC, the expense tool and the approval workflow.
The combined spend category covering pre-trip bookings (air, hotel, car, rail) and post-trip expenses (meals, taxis, incidentals reclaimed via expense report).
The booking record an airline or GDS holds for a trip — traveller name, flight segments, ticket numbers, contact details and special requests — and the source of truth the airline operates against.
Featured course
Mini-MBA: Corporate Travel
Put Carbon Dioxide Equivalent (CO₂e) into commercial practice — with case studies, frameworks and real-world examples from the Mini-MBA: Corporate Travel.
Explore the Mini-MBA →