Flight carbon calculators and offsets: How do they work and can we trust them? | CNN
Google 'airbrushes' out emissions from flying, BBC reveals - BBC News
Guide to offsetting carbon emissions when you travel - The Points Guy
Traveling Across the United States the Old-Fashioned Way - Kleinman Center for Energy Policy
Carbon calculator: find out how much CO2 your flight will emit | Flights | The Guardian
Flight CO2 Calculator | It's All Widgets!
Emissions calculator - atmosfair
Confession: This Is My Carbon Footprint from Flights This Year • Tilted Map
Flight Carbon Footprint Calculator
Carbon Footprint Calculator -- Driving, Flying, and Eating
Cost vs. Conscience: A Travel Calculator - The New York Times
Travel green: calculating your carbon savings
CWT, IATA introduce carbon emissions calculators | PhocusWire
Climate change: Should you fly, drive or take the train? - BBC News
Profs Who Fly: Travel Emissions Calculator
IBA News & Insights - IBA aero
5 Best Carbon Footprint Calculators to Calculate Carbon Footprint | Beebom
Carbon calculators - Low Carbon Travel Initiative
Environmental Tools (E-tools)
Flight Carbon Calculator: Emissions by Airline, Origin and Destination Airports
The Best Travel Carbon Calculators (To Find Lower-Emission Flights) • Tilted Map
TripZero - Calculating Event Carbon Footprints
7 Best Free Online Flight Carbon Footprint Calculator Websites
Offset Your Carbon Emissions: CO2 Flight Calculator - Flunking Monkey
Travel responsibly with the carbon footprint travel calculator
Calculating Your Carbon Footprint - TEXAS COASTAL EXCHANGE
