By Tim Radford
Scientists have calculated yet another item on the human shopping list that makes up the modern world: plastics. They have estimated the mass of all the plastic bottles, bags, cups, toys, instruments and fabrics ever produced and tracked its whereabouts, as yet another index of the phenomenal change to the face of the planet made by recent human advance.
Altogether, since about 1950, with the birth of a new industry, more than 8.3 billion tonnes (or 9.1 tons) of synthetic organic polymers have been generated, distributed and discarded. Of that total, 6.3 billion tonnes are classified as waste.
Of that waste, only 9 percent has been recycled, 12 percent incinerated and 79 percent of what is essentially indestructible man-made material is either in landfill or polluting the environment.
And much of that waste is now in the sea: in 2010, according to a new study in the journal Science Advances, plastic …
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