|Estimates are based on the origin of the first 1,400 registrations (1 June 2013) and are expected to reflect approximately 90% of the final number of participants.
aCalculations done by South Pole Carbon (http://www.southpolecarbon.com/).
|Geographical region of origin (%)||Europe||41|
|Asia and Australasia||26|
|Africa||2||Sum of travel distance (in 1,000 km)||Europe||1,080|
|Non-Europe||13,210||Travel mode of participants (%)||Airplane||81|
|CO2 footprint total (tons)a||2,202|
|Origin of footprint||Air travel (%)||From/within Europe||8|
|From non-European countries||88|
|Other types of travel (%)||2|
|Venue, catering, print material (%)||2|