In the air

For those who fly, flights tend to be the largest part of their carbon footprint. This is because we usually travel long distances when we do fly.

Quick Tips: You can enter IATA codes to quickly find an airport name - the code will be printed on your ticket, or you can check this list.

You can calculate up to 10 flights at a time - either individual trips, or the legs of a long-haul flight. For a long-haul flight set each leg to "Single".

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Flights

The emissions factors that we use for flights include two "extras":

  • Uplift - this is an 8% increase in all of the factors to reflect the fact that airplanes cannot always fly an exact Great Circle route and often have to wait before landing - unlike a car you can't just switch the engines off whilst waiting so airplanes "stack" near the airport which, inevitably, uses more fuel.
  • Radiative Forcing - this is a 90% increase in all factors to take account of the fact that emissions high up in the atmosphere have a greater environmental impact than ground-level emissions. Defra recommends (from 2014) that everyone use factors in their calculations that include RF and we have chosen to do so to reflect the real environmental cost of flying.
Class

Class

The class that we choose to fly has an impact on our footprint because the "higher" the class the less passengers in that class, so they have to bear a larger proportion of the plane's emissions footprint.
Passengers
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My Footprint

Cost per metric ton of CO₂ = $26.00
As you add items to your footprint a summary will appear here.