Specific CO2 emissions per passenger-km and per mode of transport in Europe, 1995-2011 — European Environment Agency
Bus & Coach - Smart Move . Travelling by bus instead of by car is the same as saving the carbon emissions of 54 million Americans
Charted: Comparing the Carbon Footprint of Transportation Options
Carbon Footprint of Tourism - Sustainable Travel International
Carbon Footprint of Tourism - Sustainable Travel International
UCS: ride-hailing trips can produce nearly 70% greater emissions compared to private car trips - Green Car Congress
Which form of transport has the smallest carbon footprint? - Our World in Data
Life cycle carbon emissions per passenger-mile (when electricity is... | Download Scientific Diagram
How green are electric trains? | Travel and transport | The Guardian
Emissions of Carbon Dioxide in the Transportation Sector | Congressional Budget Office
Traveling Across the United States the Old-Fashioned Way - Kleinman Center for Energy Policy
Opinion: Instead of flight shaming, be thoughtful about all travel | Ensia
6 Carbon and NO x Emissions per Passenger Mile | Download Scientific Diagram
Opinion: Instead of flight shaming, be thoughtful about all travel | Ensia
Average carbon dioxide emissions by different transport mode (grams per... | Download Scientific Diagram
Specific CO2 emissions per passenger-km and per mode of transport in the EU15, 1990-2004 — European Environment Agency
Charted: Comparing the Carbon Footprint of Transportation Options
Environment « American Bus Association
Climate change: Should you fly, drive or take the train? - BBC News
Car Carbon Footprint Calculator: Choose Your Car's Year, Make, and Model
How to Reduce the Carbon Footprint of Your Travels - Sustainable Travel International
What are the CO2 emissions for different transport & mobility modes? – Open Transport – Transport & Mobility Data Interoperability
Specific CO2 emissions per passenger-km and per mode of transport in Europe — European Environment Agency
Flying first class on a single domestic round trip can contribute more greenhouse gas emissions than a year of driving - Green Car Congress
