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… Engineering, Center for Research and Policy Study of Renewable Energy Applications, Christian University of Indonesia, … gas and gas from animal slurries). Biomass Biomass, a renewable energy source, is biological material derived from …

… “Regional approaches to transboundary air pollution”, in Energy Production, Consumption, and Consequences, John L. … in any number of ways, including the enhancement of energy efficiency, the protection and enhancement of sinks … and in the 1982 World Charter for Nature.191 It provides renewable “flow resources” essential for human, plant and …