The University of Nairobi will host former Judge and incumbent president of  the Republic of Italy His Excellency Sergio Mattarella for a public lecture on Climate change. In what promises to be an illuminating discourse on a key issue in the global arena, president Sergio Mattarella shall deliver his address to over 500 students and delegates from all over the country at the iconic Taifa Hall at the University of Nairobi, main campus on Thursday, March 16th 2023 as from 9 am.