By Howard T. Odum
Howard T. Odum possessed some of the most leading edge minds of the 20th century. He pioneered the fields of ecological engineering, ecological economics, and environmental accounting, operating all through his lifestyles to higher comprehend the interrelationships of strength, surroundings, and society and their value to the healthiness of humanity and the planet.
This quantity is a tremendous modernization of Odum's vintage paintings at the importance of energy and its position in society, bringing his procedure and perception to a complete new iteration of scholars and students. For this variation Odum refines his unique theories and introduces new measures: emergy and transformity. those recommendations can be utilized to judge and evaluate structures and their transformation and use of assets through accounting for the entire energies and fabrics that movement out and in and expressing them in an identical skill to do paintings. common energies reminiscent of sun radiation and the biking of water, carbon, nitrogen, and oxygen are diagrammed when it comes to power and emergy stream. via this technique Odum unearths the similarities among human fiscal and social platforms and the ecosystems of the wildlife. within the approach, we find that our survival and prosperity are regulated as a lot by means of the legislation of energetics as are structures of the actual and chemical world.