For each journey, we take the starting point (the location you give us) and the end point (the venue location) and use Google Maps to find the distance based on the mode of transport you’ve entered. Then we use the Government’s emissions data for each mode of transport to calculate the carbon emissions of each journey.
Bookers can come back at any time to add, change or remove journeys so don’t worry that they may not have all of the details to hand. If they can’t track down travel details for any of their guests then they can just include those you have - we’ll help them make the best choices with the information available.
Our travel emissions tool, Journeys, is intended to calculate the travel specifically to your event. If someone is using more than one mode of transport purely to attend, you can add multiple journeys for an attendee.