There's no shortage of studies into the potential costs associated with climate change — from insuring vulnerable coastal properties to rebuilding after more frequent and intense storms. And then there are the health risks, ranging from more annoying allergy seasons to a jump in heat-related illnesses and deaths. But this study, published August 12th in Environmental Research Letters examined the health benefits and financial incentives that come along with states using more renewable energy.
目前,与气候变化相关的潜在成本研究不知凡几——从保护沿海建筑到在更频繁、更猛烈的风暴过后重建相关设施等。此外,令人烦躁的过敏季和高温引发的疾病和死亡等健康风险依旧存在。但这项于8月12日发表在《环境研究快报》期刊上的研究分析了使用更多可再生能源的美国各州所产生的健康效益和财政激励。
Why are there such big returns? On top of limiting greenhouse gases that warm the planet, moving away from dirtier sources of energy also affects air quality. The health benefits scientists quantified are a result of limiting exposure to fine particulate matter coming from power plants. And there's a vast body of evidence that shows how particulate matter, or soot, can adversely affect respiratory and cardiovascular health.
为什么回报如此之大?除了限制导致地球变暖的温室气体外,远离非清洁能源也会影响空气质量。科学家量化的健康益处是限制接触来自发电厂的细颗粒物的结果。此外,大量证据表明:颗粒物或烟灰会对呼吸系统和心血管健康造成不利影响。
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