If plastics were better designed, they could be better recycled. That would prevent plastics entering the oceans and also reduce greenhouse gas emissions. That’s the message of a group of scientists. A simple example: Clear plastic bottles have a recycling value five times higher than those that have been dyed, as the pigment is hard to remove. The pigments serve no useful purpose other than perceived aesthetics. With more and more cities banning the use of plastic bags, the call of the scientists should inspire governments to implement better plastics legislation.
… And better plastics design would help a lot
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