Science Friday

Where Does Plastic And Other Trash Go After We Throw It Away?

Nov 25, 2025
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INSIGHT

Plastic Recycling Often Fails In Practice

  • Most materials are recyclable but modern plastics rarely are in practice and recycling is often unprofitable.
  • Mechanical recycling releases toxic additives that contaminate soil, water, and food systems in poorer countries.
ADVICE

Prefer Avoidance; Landfill Over Export

  • Avoid single-use and unnecessary plastics whenever possible to reduce harm and personal exposure.
  • If unavoidable, landfilling may be a less harmful fate than sending plastics to poorly regulated recycling overseas.
INSIGHT

Disposable Culture Emerged Postwar

  • The disposable culture began after WWII when plastic was widely promoted and adopted in the 1950s.
  • Waste became a social signal of prosperity rather than a loss to be avoided.
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