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Introduction: EMERGY and Real Wealth. EMERGY and the Energy Hierarchy. Earth EMERGY. Environmental Production and Economic Use. EMERGY Evaluation Procedure. Empower Through Networks: EMERGY Algebra. Evaluating Environmental Resources. Net EMERGY of Fuels and Electricity. Evaluating Alternatives for Development. EMERGY of States and Nations. Evaluating International Exchange. Evaluating Information and Human Service. EMERGY Over Time. Comparison of Methods. Policy Perspectives. An Emergy Glossary. Appendices. References. Index.
A Sun, study studied this question.