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Renewable Energy’s Role in a Changing World

机译：可再生能源在不断变化的世界中的作用

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Since the Industrial Revolution in the 19th century, the concentration of carbon dioxide in the atmosphere has increased significantly, from 280 parts per million (ppm) to 401 ppm. This data was taken from the Mauna Loa Observatory, Hawaii, on October 4, 2016. The safe level of carbon dioxide in the atmosphere is 350 ppm. The only way to reach that level is to immediately transition the global economy away from fossil fuels and into renewable energy and energy conservation. However, developing countries have the right to limit their emissions less than developing countries, which means the responsibility for lowering emissions falls even more upon already industrialized countries. In other words, industrial countries need to reduce their emissions significantly. Actually, a reduction in emissions will not necessarily lead to less economic growth; from 1990 to 2014, European Union member states reduced their carbon emissions by 19 percent even though they achieved 45 percent economic growth. In 2014, Germany’s economy grew by 1.6 percent, while gas emissions from fossil fuel consumption fell by almost 5 percent.
机译：自19世纪工业革命以来，大气中的二氧化碳浓度已从百万分之280（ppm）显着增加到401 ppm。该数据来自2016年10月4日从夏威夷的莫纳罗阿天文台获得。大气中二氧化碳的安全水平为350 ppm。达到这一水平的唯一方法是立即使全球经济从化石燃料转变为可再生能源和节能。但是，发展中国家有权限制排放量少于发展中国家，这意味着降低排放量的责任甚至落在已经工业化的国家上。换句话说，工业化国家需要大大减少其排放。实际上，减少排放量并不一定会导致经济增长放缓。从1990年到2014年，尽管欧盟成员国实现了45％的经济增长，但其碳排放量却减少了19％。 2014年，德国经济增长了1.6％，而化石燃料消耗产生的气体排放量下降了近5％。

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