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"Plastic recycling sits quite low in the waste hierarchy as a means of reducing plastic waste. It has been advocated since the early 1970s,[11] but due to severe economic and technical challenges, did not impact plastic waste to any significant extent until the late 1980s. The plastics industry has been criticised for lobbying for the expansion of recycling programs, even while industry research showed that most plastic could not be economically recycled and simultaneously increasing the amount of virgin plastic, or plastic that has not been recycled, being produced."

https://en.m.wikipedia.org/wiki/Plastic_recycling