Trains, Planes, or Cars: Which is the Most Carbon-Efficient Way to Travel? - Streets.mn
Charted: Comparing the Carbon Footprint of Transportation Options
Climate change: Should you fly, drive or take the train? - BBC News
Climate change - Aviation Environment FederationAviation Environment Federation
What's Greener In Europe — A Train, A Plane, Or A Car? What's Dirtiest? - CleanTechnica
How Private Jet Emissions Affect The Environment
Climate change: Should you fly, drive or take the train? - BBC News
How to Reduce the Carbon Footprint of Your Travels - Sustainable Travel International
Charted: Comparing the Carbon Footprint of Transportation Options
Grounded (by beef)! A different take on aviation carbon accounting - International Council on Clean Transportation
Emissions from planes and ships: facts and figures (infographic) | News | European Parliament
How Low-Carbon Can You Go: The Green Travel Ranking - Sightline Institute
Travel Green | Amtrak
Opinion: Instead of flight shaming, be thoughtful about all travel | Ensia
What's Greener In Europe — A Train, A Plane, Or A Car? What's Dirtiest? - CleanTechnica
Cars Vs. Planes: Which Emits More Carbon? (Which Sins Worse?)
Opinion: Instead of flight shaming, be thoughtful about all travel | Ensia
How many cars equal the CO2 emissions of one plane? | BBC Science Focus Magazine
Is it better to go vegan or stop flying? | Flight Free UK
Place to Plug Blog | Electric airplanes: the solution to aviation pollution?
Emissions from planes and ships: facts and figures (infographic) | News | European Parliament
