In the last 15 years, worldwide air transportation has grown at an average yearly rate of 4.5%. Forecasts confirm that this could be the average increase rate for the next 20 years, although recent oscillation of oil price translated into a slowing down of such a trend, with several air...

The evaluation of natural capital and environmental services has always been an important step in the implementation of sustainable development concepts and policies. The results presented in this study address the demand for environmental support of the economy of Xilinguole League in the Inner...

The economy of China keeps increasing at high rate, although a bit slower recently than in the past due to the international economic turmoil. The Chinese economic performance affects the world economy in many ways (from increased primary resource and commodity imports to a more active financial...