Artwork stating 'Education Destroys Barriers', 'We Demand Treatment', and 'I Need A Chance'

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  • Steel is recycled more than almost anything. Why does it create so much pollution?

    Steel is a major source of greenhouse gas emissions, even though lots of it is recycled every year. Recycling steel uses coal too, but an Australian steelmaker is experimenting with alternatives. These alternative include using briquettes made from plastic waste, which is less polluting.

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  • How last year's Christmas trees are rebuilding New Orleans' coast

    Every year, the National Guard air-drops old Christmas trees onto a Louisiana wildlife preserve. The used trees help restore habitat, prevent flooding, and reduce coastal erosion in the hurricane-prone state.The tree recycling program also keeps the old trees out of landfills.

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