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The Magic Forest: Where Poplars Are Purifying The Planet

机译:魔法森林:白杨树净化地球的地方

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Argonne, Illinois-A legacy of the Argonne National Laboratory's early foray into atomic energy lies buried here on its campus, about 25 miles southwest of Chicago. Although solid wastes from all sorts of experiments have been sealed in a landfill, certain liquids, mostly chlorinated solvents, still taint the water that runs under the site. The ongoing attempt to remove these contaminants occupies an enormous experimental facility that covers four acres and looks like a forest. "I like to brag that I have the biggest lab at Argonne," says agronomist Cristina Negri, indicating an expanse of 900 poplars and willows growing in rows. The trees stand about 30 feet high. More important, their roots extend 30 feet down, where they tap the contaminated aquifer and literally pull pollutants out of the ground.
机译:伊利诺伊州的阿贡-阿贡国家实验室早期涉足原子能的遗迹埋在芝加哥西南约25英里的校园内。尽管来自各种实验的固体废物已被密封在垃圾填埋场中,但某些液体(主要是氯化溶剂)仍会污染场地下方的水。正在进行的去除这些污染物的尝试占用了一个巨大的实验设施,占地4英亩,看上去就像一片森林。农艺师克里斯蒂娜·内格里(Cristina Negri)说:“我想吹牛说我在阿贡拥有最大的实验室。”他指出,有900棵杨树和柳树成排生长。树木高约30英尺。更重要的是,它们的根部向下延伸了30英尺,在那儿他们敲打了受污染的含水层,从字面上将污染物从地下拉出。

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