The carbon
footprint of
every event.
CO2Trace turns attendee travel and event logistics — flights, hotels, venue energy, catering and more — into an audit-ready CO₂e report. Measured with precision, presented with clarity.
Carbon Report
Annual Summit 2025
Total Footprint
48.6 t CO₂e
Per Person
0.162 t
Top Driver
71%
Credible reporting,
without the spreadsheet chase.
Effortless capture
Attendees simply enter their home city. CO2Trace geocodes the location, computes travel distance and infers the transport mode — no spreadsheets, no chasing.
Defensible method
Every figure is backed by DEFRA / BEIS 2025 government conversion factors, transparent extrapolation and full raw-data export — built to withstand an audit.
Complete coverage
Beyond flights: travel, accommodation, venue energy, catering, materials, waste and digital footprint — the entire event, in one considered report.
Setup to boardroom
in three steps.
Create & invite
Set up your event and add attendees individually, by bulk paste, or CSV import.
Attendees self-report
One survey link, no login. Three taps to capture travel, hotel nights and meals.
Publish the report
A live dashboard and a one-click PDF, extrapolated to full attendance with data-quality scoring.
Every source, one report.
CO2Trace accounts for the full footprint of an event — not just the flights.
Travel
Air, rail, road & ferry with return-journey modelling.
Accommodation
Hotel nights at UK average room-night factors.
Venue Energy
Electricity use at the live UK grid factor.
Food & Beverage
Catering by dietary split, with food-waste uplift.
Materials & Waste
Badges, lanyards, bags, waste & recycling credits.
Digital
Streaming, app usage, email & cloud footprint.
Offset Tracking
Log offsetting status from pending to fully offset.
Numbers your
auditor will accept.
Event emissions are material, scrutinised and hard to collect. CO2Trace makes the output as defensible as it is effortless to produce.
- Cited DEFRA / BEIS 2025 greenhouse-gas conversion factors on every line item
- Transparent extrapolation from valid responses to full attendance
- Data-quality scoring that flags and classifies incomplete entries
- Full raw participant data available for download and audit
- Aligned with GHG Protocol Scope 3 event & business-travel reporting
Extrapolation
39.9 t (raw) × 1.2195 = 48.6 t
Emission factors sourced from the UK Government GHG Conversion Factors 2025 (BEIS / DESNZ) dataset.
Tailored value for everyone
accountable for the footprint.
Sustainability & ESG
Close your Scope 3 gap
Turn an unmeasured category into audit-ready numbers that feed CSRD, SECR and GHG Protocol reporting.
Event Agencies
Win the sustainability RFP
Hand clients a branded carbon report as a deliverable — and a differentiator that wins pitches.
Conference Organisers
Prove your green event
Replace greenwashing with real data for sponsors, attendees and venue mandates — year over year.
Ready to measure
your next event?
Start with a single event and produce the report your team, sponsors and auditors have been asking for.