By DAVE JANECZEK
Luc Gnacadja, former executive secretary of the United Nations Convention to Combat Desertification, discussed the importance of preserving and rehabilitating land to ensure a sustainable global future at Cornell Tuesday.
Luc Gnacadja, former executive secretary of the United Nations Convention to Combat Desertification, speaks about land preservation at Rockefeller Hall Tuesday. (Michelle Feldman / Sun Senior Editor)