Examples of how to do some of the operations needed to estimate the footprint of personal transport. How to georeference, estimate travelling distances by different means and also how to find the location that minimises the sum of distance to all participants.
These have been used in the paper Estimating the global warming emissions of the LCAXVII conference: connecting flights matter accepted for publication in The International Journal of Life Cycle Assessment (DOI: 10.1007/s11367-018-1479-z)