Cycling is the mode of transportation with the smallest

carbon footprint

The carbon footprint (also known as greenhouse gas inventory) of a good or service measures t...

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. 

TRUE 

If you ignore the carbon emitted from manufacturing the bicycle, cycling is the greenest mode of transportation, with 0g of

CO2

See Carbon Dioxide

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/km. 

This means it comes last when ranking transportation by CO2/km, tying with skateboarding and rollerblading, for example. 

Here are the top 3: 

• 1 st place: cars
• 2 nd place: buses
• 3 rd place: motorcycles