This clip brings an interview of Dr. Hamadi Kallali, Researcher at the Center for Research and Water Technologies in Borj Cédria, by TV1 presenter Mme Fatma Ben Jemâa, which was screened on 6 January, 2022. With a share of 29.8% of Tunisia’s 12 million population, Wataniya 1 is Tunisia’s most watched TV channel.