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New research suggests that planting trees and other plants near factories couldreduce pollution by almost one-third. The addition of plant life may even cost less andbe more effective than technology designed to cut pollution, a new study found. Thefindings were reported in the publication Errvironmewtal Science & Teclmology:. Thelead author of the study was Bhavik Bakshi, a professor at the Ohio State University.
Bakshi and other researchers collected data about air pollution and plant life in48 of the 50 American states. They studied public records from every state other thanAlaska and Hawaii.The study attempted to show how the vegetation(植被) couldreduce the most common pollutants(污染物)from industrial areas,including theproduction of energy from coal, oil and gas.
The research found that restoring vegetation to land cover could cut air pollutantlevels by an average of 27 percent in the areas studied.They also found that in 75percent of the areas, it would cost less to use plants to reduce air pollution than to addnew air cleaning technology.
Bakshi said that nature-based methods could result in “ win-win” solutions thatsave money and are better for the environment.It found that only one piece ofequipment was estimated to be more cost-effective than trees and other plants.Thatdevice is an industrial boiler.
The study did not identify which kinds of plants would be best at reducing airpolltution. But Bakshi said the kind of vegetation would likely make a difference in airquality and that further study would be needed.
The researchers predicted that the addition of trees and other plants could helplower air pollution levels in both cities and rural areas. However, success rates woulddiffer widely depending on how much land was available and current air quality levels.
【全文翻譯】
新研究表明,在工廠附近種植樹木和其他植物可以減少近三分之一的污染。一項新的研究發(fā)現,與旨在減少污染的技術相比,增加植物甚至可能花費更少,而且更有效。該發(fā)現發(fā)表在《環(huán)境科學與技術》這一出版物上。該研究的主要作者是俄亥俄州立大學的教授巴維克·巴克希。
巴克希和其他研究人員收集了美國50個州中48個州關于空氣污染和植物的數據。他們研究了除阿拉斯加和夏威夷以外的每個州的公開記錄。該研究試圖說明植被如何能減少來自工業(yè)區(qū)的最常見的污染物,包括用煤、石油和天然氣生產能源(產生的污染物)。
該研究發(fā)現,在被研究的地區(qū)恢復地表的植被可以平均降低27%的空氣污染物水平。他們還發(fā)現,在 75%的地區(qū),使用植物減少空氣污染的成本要比增加新的空氣凈化技術的成本低。
巴克希表示,基于自然的方法可以產生“雙贏”的解決方案,這種方案既節(jié)省成本又對環(huán)境更有好處。研究發(fā)現,據估計只有一種設備比樹木和其他植物更具成本效益。該設備就是工業(yè)鍋爐。
該研究沒有確定哪種植物最能減少空氣污染。但是巴克希說,這種植被可能會對空氣質量產生影響,并且需要進一步的研究。
研究人員預測,增加樹木和其他植物可以幫助降低城市和農村地區(qū)的空氣污染水平。但是,受可用土地面積和當前空氣質量水平的影響,成功率會有很大差異。