Climate change: Should you fly, drive or take the train? - BBC News
2010 Conditions and Performance - Policy | Federal Highway Administration
Travel carbon footprint by transport mode | Statista
6 Carbon and NO x Emissions per Passenger Mile | Download Scientific Diagram
Challenge 4: Public Transport – Tackle Waste
Life cycle carbon emissions per passenger-mile (when electricity is... | Download Scientific Diagram
Opinion: Instead of flight shaming, be thoughtful about all travel | Ensia
Carbon Footprint of Tourism - Sustainable Travel International
Specific CO2 emissions per passenger-km and per mode of transport in Europe — European Environment Agency
What are the CO2 emissions for different transport & mobility modes? – Open Transport – Transport & Mobility Data Interoperability
Emissions of Carbon Dioxide in the Transportation Sector | Congressional Budget Office
Specific CO2 emissions per passenger-km and per mode of transport in Europe, 1995-2011 — European Environment Agency
CO2List.org
Charted: Comparing the Carbon Footprint of Transportation Options
UCS: ride-hailing trips can produce nearly 70% greater emissions compared to private car trips - Green Car Congress
Average carbon dioxide emissions by different transport mode (grams per... | Download Scientific Diagram
2010 Conditions and Performance - Policy | Federal Highway Administration
Chart: Miles Apart: Car CO2 Emissions | Statista
Specific CO2 emissions per passenger-km and per mode of transport in the EU15, 1990-2004 — European Environment Agency
Emissions of Carbon Dioxide in the Transportation Sector | Congressional Budget Office
Which form of transport has the smallest carbon footprint? - Our World in Data
Planes, Trains, and Automobiles - Sightline Institute
UK: travel carbon footprint by transport mode 2022 | Statista
Environment « American Bus Association
