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Renewable energy can generate billions of dollars in health benefits 可再生能源或能带来数十亿美元的健康效益 Ten states across the Midwest and Great Lakes region of the US could see $4.7 billion in health benefits in 2030 if they stick with current renewable energy standards, according to a new study from MIT. That's about a 34 percent return on the $3.5 billion price tag associated with actually building out that infrastructure of renewable energy sources such as wind or solar farms. 麻省理工学院的一项新研究显示，如果美国中西部和五大湖地区的10个州能继续坚持当前的可再生能源标准，其将在2030年获得47亿美元的健康效益。实际建设风能或太阳能农场等可再生能源基础设施需投入35亿美元，大约能获得34%的回报。 | 
