Methodology behind the carbon footprint calculator - GoClimate Blog
Carbon Calculator
How to Reduce the Carbon Footprint of Your Travels - Sustainable Travel International
Environmental Tools (E-tools)
CO2 emissions: Train & ferry versus plane
Carbon Credits: How to Offset Flights for More Sustainable Travel
Calculate Scope 3 from Business Travel | Sustain.Life
Aviation Carbon Emissions Case Study - Qatar Airways
Carbon Washing: Google reduces airline emissions calculations
Embeddable Carbon Footprint Calculator - Sustainable Travel International
The Best Travel Carbon Calculators (To Find Lower-Emission Flights) • Tilted Map
Carbon calculator: find out how much CO2 your flight will emit | Flights | The Guardian
ICAO Carbon Emissions Calculator (ICEC)
Travel Carbon Footprint Calculator: Flights, Rental Car, Hotel
Climate change: Should you fly or drive over the holidays?
Climate change: Should you fly, drive or take the train? - BBC News
Flight Carbon Footprint Calculator
Calculation principles - Flight Emissions Calculator
Profs Who Fly: Travel Emissions Calculator
Reducing demand for air travel starts at work - Climate & Environment at Imperial
Offset Your Carbon Emissions: CO2 Flight Calculator - Flunking Monkey
Flight Carbon Calculator: Emissions by Airline, Origin and Destination Airports
CO2 emissions: a key argument to sell a plane ticket? | Afidium
Google 'airbrushes' out emissions from flying, BBC reveals - BBC News
Charted: Comparing the Carbon Footprint of Transportation Options
