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The environmental performance of regions and largest economies of the world - actually, the efficiency of their energy sectors - is estimated for the period 2010-2030 by using forecasted values of main economic indicators. Two essentially different methodologies, data envelopment analysis and stochastic frontier analysis, are used to obtain upper and lower boundaries of the environmental efficiency index. Greenhouse gas emission per unit of area is used as a resulting indicator, with GDP, energy consumption, and population forming a background of comparable estimations. The dynamics of the upper and lower boundaries and their average is analyzed. Regions and national economies having low level or negative dynamics...
The International Energy Agency (IEA) remains committed to maintaining and improving energy security, which is a critical element in the economies of its Member countries and the world at large. Energy security in the lEA has improved considerably over the last fifteen years. The efforts devoted to developing new and improved energy technology have reinforced this trend At present two issues stand out as being of particular concern, namely, growing oil demand with continuing energy market vulnerability on one side, and on the other side, the environmental aspects of energy supply and use including greenhouse gas emissions with the related problems of global warming and climate change. Consequently, there is a need...