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New World, New Mind: Moving Toward Conscious Evolution

by Robert E. Ornstein, Paul Ehrlich

ISBN 13: 9780671696061

Format: Paperback (302 pages)
Publisher: Touchstone Books
Published: Apr 1990
Other Format: Hardcover

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Humanity on a Tightrope: Thoughts on Empathy, Family, and Big Changes for a Viable Future

by Paul Ehrlich

ISBN 13: 9781442206496

Format: Paperback (210 pages)
Publisher: Rowman & Littlefield Publishers
Published: 01 May 2012

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