One of the reasons researchers focused their study on Pennsylvania, Ohio, Wisconsin, Michigan, Illinois, Indiana, West Virginia, New Jersey, Maryland, and Delaware is because the region tends to have poorer air quality, a characteristic linked to its greater reliance on coal. In 2016, the Rust Belt generated 42 percent of its power from coal, compared to 30 percent for the US as a whole.
研究员重点研究宾夕法尼亚州、俄亥俄州、威斯康星州、密歇根州、伊利诺伊州、印第安纳州、西弗吉尼亚州、新泽西州、马里兰州和特拉华州的原因之一是:这些地区往往更依赖煤炭等传统能源,导致其空气质量较差。2016年,煤炭发电占美国“生锈地带”电力构成的42%,而其只占全美电力构成的30%。
But if those states switch to more renewable energy, air quality will improve. As the pollution rates diminish, so should lung cancer, heart attacks, and strokes among people living there. That, the researchers say, could also reduce the medical bills associated with those health effects.
但如果这些州经历转型,更多地使用可再生能源,其空气质量将会提高。随着污染率下降,生活在这片土地的人患肺癌、心脏病和中风的风险也会随之下降。研究员表示,这会进一步减少医药费,带来健康效益。
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