Mail-back plastic recycling is carbon-intensive, advocates claim

Cheryl Hogue | June 30, 2021 | Chemical & Engineering News

Shipping used plastic forks and cups, ketchup packets, and potato chip bags to a recycling center is carbon intensive, environmental advocates say.

Though ship-back programs are currently small in the US now, they could contribute to climate change if they expand, according to the groups Beyond Plastics and The Last Beach Cleanup. The groups also criticize mail-back programs because the materials accepted aren’t designed to be recycled and made again into the same sort of items. The materials end up as “downcycled” to products like picnic tables that eventually end up as waste.

But the head of TerraCycle, a company that encourages ship-back efforts and recycles used plastic that curbside pickup programs reject, says the groups’ conclusions are “fundamentally false.”

Tom Szaky, TerraCycle’s CEO, tells C&EN that the operations of UPS and other shipping services are far more efficient and climate-friendly than commercial garbage or recycling collection. The shipment and recycling of plastics not collected in curbside programs is much better for the environment and climate than sending such items to a landfill or incinerator, he says, citing third-party analyses of his company’s operations.

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