The "4th International Conference on Transport, Atmosphere and Climate (TAC-4)" held in Bad
Kohlgrub (Germany), 2015, was organised with the objective of updating our knowledge on the impacts
of transport on the composition of the atmosphere and on climate, three years after the TAC-3
conference in Prien am Chiemsee (Germany).
The TAC-4 conference covered all aspects of the impact of the different modes of transport (aviation,
road transport, shipping etc.) on atmospheric chemistry, microphysics, radiation and climate,
in particular
