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Earth911
Feb 27, 2015, 12:00 pm43 ptsWhat's the most recycled material on the planet? If you guessed ferrous metal — any magnetic metal that contains iron — you get a gold star. Just what makes the ferrous metal industry so important, how does recycling reduce carbon dioxide emissions, and what does the Eiffel Tower have to do with all of…
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Leaf through planet Earths environmental headlines in one convenient place. Read, share and discover the latest on ecology, science and green living from the web's most popular sites.