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When talking about renewable energy, we refer to an abundant range of technologies that can provide energy services in the form of electricity, heating and cooling as well as transport solutions. The questions to be addressed to the renewable energy sector should not concentrate solely on whether it is desirable to have a centralised or decentralised energy system or on which source of renewable energy will dominate in the world of tomorrow. The two concepts and all types of energy harnessing the forces of nature must be considered asinterdependent if energy supply, climate mitigation and competitiveness are to be secured and increased in a sustainable manner.Changes in renewable energy markets, investments, industries, and policies have been so rapid in recent years that perceptions of the status of renewable energy can lag years behind the reality. By 2010, renewable energy had reached a clear tipping point in the context ofglobal energy supply. Renewables comprised fully onequarter of global power capacity from all sources and delivered 18 percent of global electricity supply in 2009. In a number of countries, renewables represent a rapidly growing share of total energy supply—including heat and transport. -----------------------------------------------新能源领域的。无奈英文只能听读,写作跟楼主一样不好。贴一段英语国家新能源报告里的内容,绝对纯正,供参考。
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