BOB EDWARDS / SCIENCE PHOTO LIBRARY BOB EDWARDS / SCIENCE PHOTO LIBRARY
Plastics recycling. Asian worker using a machine to extrude lines of melted, recycled plastic. After being cooled in the water bath, the lines will be chopped up into pellets for use in industry. The advantage of recycling is that some plastics release toxic chemicals if they are disposed of by being burnt or by being left in landfill waste dumps. Photographed in India.
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