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Abstract: With the economic development, the demond for energy is growing in China, and the traditional non-renewable energy makes the energy transformation is imminent.In this paper, based on the fully understanding of our existing energy structure, and from the perspective of supply and demand, the author analysis the changes in the structure of future energy and gives the suggestion.The paper argues that China''s energy structure will gradually turn to be comprehensive and diverse, but the cost and market constraints will obstruct the promotion of renewable energy sources.Therefore, the traditional high-carbon energy is still the main form of domestic energy consumptionin a very long period of time.Only by improving technology and using of the macro-control can reduce the costs and regulate the import and export, which can achieve sustainable development of changing from a high-carbon energy to low carbon. [Copyright &y& Elsevier]

Abstract: The regional condition and natural resources of the Yellow River Delta are superior, but the issues and constrains there are also quite pronounced. So the development of high-efficiency ecological economy is confronted with serious challenges. Take the Yellow River Delta High-efficiency Eco-economic Zone as the evaluation object and at the basis of the analyses of the development situation in the area, the energy consumption and carbon emissions were forecasted and estimated in the paper. The results indicate that the total energy use in 2015 and 2020 would be 1.62 and 2.22 times higher than that in 2009, respectively. The average annual growth rate of carbon emissions is 8.40% from 2009 to 2015 and that would be 6.50% from 2015 to 2020. The amount of carbon emissions of the area in 2015 and 2020 will take up 13.35% and 16.16% of Shandong Province, respectively. Finally, some suggestions were proposed to guarantee the sustainable energy use and the realization of carbon emission reduction. [Copyright &y& Elsevier]

Abstract: The rapid growth of Chinese economy has tremend-ously stimulated the expansion of energy consumption. The structure of energy consumption in China is featured with the coal domination. Air pollution is becoming increasingly severe and causes enormous economic losses. As a result, we are confronted with the extremely arduous task to balance energy consumption and environmental protection. In order to avoid the situation that its rampant environmental pollution problem will worsen before it gets better, Chinese government has put high emphasis on the problem. The efforts made by Chinese government, including energy consumption structure improve-ment and control measures to air pollution, have been introduced and discussed in this paper. China possesses very abundant renewable energies such as wind, solar, geothermal and tidal. Applications of renewable energies, especially solar energy, can coordinate and improve the relationship between energy consumption and environmental protection. Therefore, Chinese government should make more efforts to set up priority of development for renewable energies. [Copyright &y& Elsevier]

Abstract: This paper, through analyzing aggregate economic volume and economic structure, distinguishes the influencing factors in fulfilment of the objective that non-fossil energy accounts for 15% of total national energy consumption. Potential of renewable energy resources are surveyed. Simulations of China''s total energy consumption in 2020 are made on difference growth rate assumptions. The feasibility of industrial restructuring is inspected regarding the energy consumption. Policy suggestions are made to achieve the structural objective by 2020. [Copyright &y& Elsevier]

Abstract: In recent years, the renewable energy such as wind energy or solar energy is well developed in China, but the green electricity generated from these sources is still difficult to operate commercially. To promote the development of green electricity market, this paper takes Jiangsu Province as examples and explores the consumption mode of green electricity. Through questionnaires design and investigation, we find that information dissermination, green value and bandwage effect play an important role in people''s subsriciption intention, while the actual purchase behavior is mainly drived by subsriciption intention, rather than payment capacity. It implies that we should strengthen the knowledge popular of green electricity through school education, media dissernmination and the spread of green knowledge in the community. © 2011 Published by Elsevier Ltd. Selection and peer-review under responsibility of RIUDS [Copyright &y& Elsevier]