Bill Mollison demonstrates permaculture and discusses its implementation for food security.
Manfred Max Neef and "barefoot economics"
James Lovelock and the Gaia hypothesis
Jeremy Rifkin on how science and technology affect society
Michel Odent's work championing midwifery, home birth, natural childbirth, and the needs of newborns and mothers.
Petrea King is a cancer survivor and founder of the Quest for Life Foundation. After learning how facing death changes a person, she began counseling people diagnosed with terminal illness.
Frances Moore Lappé describes how the economically powerful control people by engineering food scarcity.