Roberto Salzano and Lorenzo Bigagli, researchers of the CNR IIA - Institute on Atmospheric Pollution, took part in the ScienzEstate2022 event with "180 seconds of Science". Roberto was ranked third for the topic dealt with "50 shades of snow" in which he presented the activities carried out within the PNRA on the study of the evolution processes of snow coverings in polar areas. The researchers tried their hand at presenting their activities in 3 minutes, having only one object available.