Not all plastics are equal -- some types and colors are easier to recycle than others. For instance, black foam and black coffee lids, which are often made of polystyrene, usually end up in landfills ...

Not all plastics are equal—some types and colors are easier to recycle than others. For instance, black foam and black coffee ...

Due to black filler materials, black plastics have posed a serious challenge in ineffective sorting. Black plastic early has ...

Not all plastics are equal — some types and colors are easier to recycle than others ... leverage one additive in black plastics, with the help of sunlight or white LEDs, to convert black ...

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