Promoted by Ecopneus under the auspices of Region Piedmont, Arpa, ISPRA (Higher Institute for Environmental Protection and Research) and in collaboration with Legambiente Piedmont and Valle d’Aosta. Among the others, also Alberto Valmaggia (Assessor to the Environment of Region Piedmont), Angelo Robotto (General Manager of Arpa Piedmont), Nicola Serianni, (Deputy Prosecutor of the Republic at the Court of Justice of Novara) and Andrea Fluttero (President of Unirigom) took part to the event.