ℹ️ About this calculator
This tool helps scientific conferences and events understand and reduce their environmental impact.
This calculator provides estimates based on public data.
👥 Event Overview
How many people are attending your event?
📊 Event Carbon Footprint
Breakdown by type
🍽️ Meals & Refreshments
During the entire event
🚄 Transportation
Add each journey separately
🍲How are meals calculated?
Each meal type is assigned a fixed carbon factor.
| Meal type | Factor (kg CO₂e per meal) |
|---|
Most of these factors come from notre-environnement.gouv.fr.
These figures should be regarded as indicative estimates rather than universal constants.
notre-environnement.gouv.fr · ImpactCO2.fr · Coffee/tea lifecycle study
🧭How is travel distance calculated?
For each journey, you only need to enter the straight-line distance.
| Mode | Correction applied to the straight-line distance | Emission factor (g CO₂e per passenger-km) |
|---|
Ferry is not covered by the Labos1point5 methodology.
Source: Labos1point5 — travel simulator
Additional computation details: GitHub: README.md
🎯 A few orders of magnitude
Putting everyday choices in perspective
The carbon-neutrality target is 2 tonnes CO₂e per person per year.