The Carbon Footprint of Modes of Transport
QUIZ
Start
Rank the following modes of transport from least to most polluting based on their CO2 emissions.
Least polluting (-)
Most polluting (+)
Congratulations!
Now you know which modes of transport pollute the most and the least.
Let's analyze the results together!
See the results
The Champions
Pedestrian
Bicycle
Electric scooter
0 g CO2/km. Pure muscle energy. It's the most ecological and healthy method.
~0 g CO2/km. Champion of urban efficiency, even in its lightweight electric version.
15 g CO2/km. A modern and compact solution for short electric journeys.
Next
The case of the Electric Car
Electric Car
Very low emissions during use (approximately 25g/km), but with a significant manufacturing weight.
It's the best alternative to replace a combustion engine car when you can't walk.
Next
The Bus paradox
100g
A question of sharing
A bus pollutes a lot on its own, but because it carries dozens of people, its individual impact is reduced.
The fuller the bus is, the more environmentally friendly it is!
CO2 per passenger
Next
Comparison of emissions g/km
Combustion Car
Bus (on average)
Electric Car
Electric Scooter
Bicycle / Walking
Next
Summary of Modes
QUIZ - Carbon Footprint [GR]
Julie Collet
Created on June 23, 2026
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Transcript
The Carbon Footprint of Modes of Transport
QUIZ
Start
Rank the following modes of transport from least to most polluting based on their CO2 emissions.
Least polluting (-)
Most polluting (+)
Congratulations!
Now you know which modes of transport pollute the most and the least.
Let's analyze the results together!
See the results
The Champions
Pedestrian
Bicycle
Electric scooter
0 g CO2/km. Pure muscle energy. It's the most ecological and healthy method.
~0 g CO2/km. Champion of urban efficiency, even in its lightweight electric version.
15 g CO2/km. A modern and compact solution for short electric journeys.
Next
The case of the Electric Car
Electric Car
Very low emissions during use (approximately 25g/km), but with a significant manufacturing weight.
It's the best alternative to replace a combustion engine car when you can't walk.
Next
The Bus paradox
100g
A question of sharing
A bus pollutes a lot on its own, but because it carries dozens of people, its individual impact is reduced.
The fuller the bus is, the more environmentally friendly it is!
CO2 per passenger
Next
Comparison of emissions g/km
Combustion Car
Bus (on average)
Electric Car
Electric Scooter
Bicycle / Walking
Next
Summary of Modes