The New York Times: Why Plastic Water Bottles May Not Contain as Much Recycled Plastic as Advertised

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Why Plastic Water Bottles May Not Contain as Much Recycled Plastic as Advertised

A green accounting method called "mass balance" certifies that something was manufactured with recycled plastic — just not necessarily much of the bottle making the claim.

Source: Why Plastic Water Bottles May Not Contain as Much Recycled Plastic as Advertised