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Eugene Odum adds new concepts to his previous literature on the ecological approach. Emergy, as an explanation of the quality of the type of energy, is discussed in terms of transferring to solar energy & species maturation. The P/R ratio, ecology as C.P Snow's third culture, & the two house conceptualization of the techno-ecosystem reward feedback are presented in terms of ecological interrelationships. The author concludes with the argument that modern civilization & nature is a parasite-host relationship, & advocates efforts to increase money & efforts to service our life-support systems by copying nature's reward feedback flow from our techno-systems by reconstructing economics in line with suggestions presented by Boulding or Hawken et al. References. J. Harwell

This anthology provides an historical overview of the scientific ideas behind environmental prediction and how, as predictions about environmental change have been taken more seriously and widely, they have affected politics, policy, and public perception. Through an array of texts and commentaries that examine the themes of progress, population, environment, biodiversity and sustainability from a global perspective, it explores the meaning of the future in the twenty-first century. Providing access and reference points to the origins and development of key disciplines and methods, it will encourage policy makers, professionals, and students to reflect on the roots of their own theories and practices