Since the mass-production of plastics began in the early 1950s, humans have produced more than 8.3 billion metric tons of plastic—the majority of which has ended up as unrecycled waste in landfills and the ocean.
Read MoreSince the mass-production of plastics began in the early 1950s, humans have produced more than 8.3 billion metric tons of plastic—the majority of which has ended up as unrecycled waste in landfills and the ocean.
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