The outline recalls the polygonal shape of a beehive cell. Bologna has a long tradition of research on the study of bees: from Guido Grandi, a world-renowned scholar (to him we owe the entomological collection of more than 51,000 specimens named after him and preserved at the University of Bologna), to the current role of BiGeA University Department, in expanding the research field on the interaction between plants and pollinators, and DISTAL University Department, on eco-toxicology and bees as bioindicators.

Starting from the fundamental role of bees in the functioning and balance of the ecosystem, we concived the theme of the third edition. The perimeter of the walls of Bologna as the basis for discussing and illustrating an extremely topical, multifaceted and challenging issue: climate change and – as a response to it – ecosustainability.