Independent · Official EU emissions data · 2025 reporting year
See the CO₂ before you book.
Pick your crossing and see the real CO₂ per passenger - by ship, not averages - then book direct with the operator. No one shows you this at checkout. We do.
Dover → Calais
Prefer to browse?
Start with a route
The CO₂ rankings · 2025 reporting year
Every Channel ferry, ranked by CO₂.
Official EU emissions per passenger, per ship. Filter to your route, pick the lower-CO₂ ship, book direct.
Per crossing is what one passenger emits on that route, so shorter crossings rank higher. Per nautical mile compares how efficiently each ship carries a passenger, whatever the distance.
Weight for weight
Moving one passenger shouldn't cost the earth
CO₂ emitted per passenger for a single crossing, set against the 70 kg average European passenger. The best Channel ships come in under a tenth of that. The worst emit more than one and a half times it.
Average European adult body mass, 70 kg. Source: Walpole et al., BMC Public Health, 2012.