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Bill Mollison demonstrates permaculture and discusses its implementation for food security.
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Manfred Max Neef and "barefoot economics"
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James Lovelock and the Gaia hypothesis
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Jeremy Rifkin on how science and technology affect society
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Michel Odent's work championing midwifery, home birth, natural childbirth, and the needs of newborns and mothers.
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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.
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Frances Moore Lappé describes how the economically powerful control people by engineering food scarcity.