Choosing a bike over a car just once a day reduces an average citizen’s carbon emissions from transport by 67%, according to research led by University of Oxford transport professor Christian Brand, reports Bloomberg Green. 

An in-depth study of commuting data from more than 3,800 people across seven cities shows that small changes in citizens’ transport habits can significantly cut their carbon footprint.

Substituting bicycles for car trips has the potential to significantly decrease emissions. While public policy tends to focus on commuting, the paper found that trips for recreational purposes like shopping or social visits are important to include in the shift toward walking or cycling.

Read the full report here.