CO2 Emissions Saved per Year is calculated based on the following factors as given by a guide by Transport Direct.
We convert this to trees based on the CO2 intake of a fully grown tree being around 21kg per year which is sourced from the Urban Forestry Network.
Calories burned per week are calculated in line with the Harvard University study and based on a 155 lb person cycling at a pace of 12 - 13.9 kmph.
We based the average calories of a burger on details provided by Nutrition Charts and use an average of 500 calories per burger.
Additional information on bicycle production:
We understand that there is a carbon footprint associated with bicycle production, however, this is easily ofset over the lifetime of the bicycle. If you would like to know more about how, we suggest having a look at this article.