Social aspects Economic development Economic policy Quality of life Social policy Technological unemployment Κοινωνική θεώρηση Business Capitalism Civilization, Modern Clean energy industries Computer network resources Conduct of life Cooperation Cost Economic aspects Electronic commerce Electronic data interchange Empathy Energy development Environmental aspects Forecasting Globalization Hydrogen as fuel Internet Power resources Social prediction Twenty-first century Βιομηχανίες πράσινης ενέργειας Διαδίκτυο