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By mid-century, the sun could be the largest source of energy and help reign in global warming by preventing the release of billions of tons of carbon dioxide emissions, according to a new report from the International Energy Agency. 国际能源署（International Energy Agency）在最近发布的一份报告中表示，到本世纪中叶，太阳能有可能成为全球使用规模最大的能源，这将会减少数十亿吨二氧化碳的排放，从而有助于抑制全球变暖趋势。 The bullish report is the latest dose of good news for the solar industry that has seen phenomenal growth. Global demand is expected to double every two years through 2022 as prices fall and the technology continues to improve. The United States is one of the markets poised for strong growth. 对于近年增长势头迅猛的太阳能行业而言，这份乐观的报告无疑是一针强心剂。从现在起直到2022年，随着太阳能的价格逐步下降而技术持续完善，预期全球需求将会每两年翻上一番。美国市场更是有望出现强劲增长的市场之一。 Though it is the fastest growing source of renewable electricity, solar power still only represents a fraction of energy mix dominated by fossil fuels. Globally, it provides 0.5 percent of electricity generation and, in the United States, it currently provides 0.2 percent of energy generation. 虽然太阳能是增长最快的可再生电力来源，但在以矿物燃料为主的能源组合中，太阳能目前仍然只占很小的比例。从全球来看，太阳能发电仅占各类能源总发电量的0.5%，而在美国，这一比例仅为0.2%。 | 
