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by Chryssavgis, John; Foltz, Bruce V.; Bartholomew, Ecumenical Patriarch; et al.
by Krimsky, Sheldon; Shorett, Peter; McKibben, Bill; et al.
by McKibben, Bill
by Cousteau, Jacques; Schiefelbein, Susan; McKibben, Bill
by Naess, Arne; Haukeland, Per Ingvar; Huntford, Roland; et al.
by Michael Schacker; Foreword by Bill McKibben
by Moyers, Bill D.; McKibben, Bill (CON)
by Crist, Eileen; Rinker, H. Bruce; McKibben, Bill
by Muir, John; McKibben, Bill