Marcos Juanes and Alberto Lesarri attended last May 10-12 the 117th Bunsentagung 2018 in Hannover, the annual conference of the Deutsche Bunsen-Gesellschaft or Bunsen society of Physical Chemistry. The Conference has been running since 1894. Alberto gave a hot topic talk and Marcos presented two posters. Several contributions to the Conference appeared in a special themed issue of PCCP “Kinetics in the real world“. The opening conference talk by Prof. James G. Anderson, with dramatic data on climate change and human health is freely available from PCCP.