Epictet(3) Raj Patel(2) Tiziano Terzani(2) Seneca(2) Stefano Liberti(1) Jorgen Randers(1) Anca Elena Gheorghica(1) Jeremie Pichon(1) Annie Leonard(1) Ovidiu Nahoi(1) Giancarlo Sturloni(1) Fred Vargas(1) Greta Thunberg(1) Kieran Setiya(1) William B. Irvine(1) Giuseppe Petralia(1) Daniele Pernigotti(1) Serge Latouche(1) Tim Flannery(1)