Here's Why Obama Is Cracking Down on Airplane Pollution – Mother Jones
What's Greener In Europe — A Train, A Plane, Or A Car? What's Dirtiest? - CleanTechnica
Charted: Comparing the Carbon Footprint of Transportation Options
Climate change: Should you fly, drive or take the train? - BBC News
How Low-Carbon Can You Go: The Green Travel Ranking - Sightline Institute
Planes Or Cars - Which Pollutes The Most? Which Is More Sustainable?
Worse Than Anyone Expected': Air Travel Emissions Vastly Outpace Predictions - The New York Times
Air travel versus … | Heinrich Böll Stiftung | Brussels office - European Union
Climate change - Aviation Environment FederationAviation Environment Federation
Opinion: Instead of flight shaming, be thoughtful about all travel | Ensia
Opinion: Instead of flight shaming, be thoughtful about all travel | Ensia
Cars Vs. Planes: Which Emits More Carbon? (Which Sins Worse?)
Carbon Footprint Driving vs Flying Calculator (Gas vs Electric Car Footprint)
Here's Why Obama Is Cracking Down on Airplane Pollution – Mother Jones
Emissions from planes and ships: facts and figures (infographic) | News | European Parliament
Is it better to go vegan or stop flying? | Flight Free UK
Travel Green | Amtrak
Planes Or Cars - Which Pollutes The Most? Which Is More Sustainable?
Grounded (by beef)! A different take on aviation carbon accounting - International Council on Clean Transportation
Place to Plug Blog | Electric airplanes: the solution to aviation pollution?
How many cars equal the CO2 emissions of one plane? | BBC Science Focus Magazine
Climate change: Should you fly, drive or take the train? - BBC News
Every Time You Fly, You Trash The Planet — And There's No Easy Fix | FiveThirtyEight
Emissions from planes and ships: facts and figures (infographic) | News | European Parliament
Carbon Footprint Driving vs Flying Calculator (Gas vs Electric Car Footprint)
Emissions from planes and ships: facts and figures (infographic) | News | European Parliament
How Private Jet Emissions Affect The Environment
