Plastic waste has long been treated as one of the world’s most persistent environmental problems. Bottles pile up in landfills, drift into oceans, and linger for decades without breaking down. Yet a ...

A method for manufacturing high-density polyethylene (HDPE) bottles has been introduced by Polyplastics, Colgate-Palmolive, and Plastics Technology International (PTI), promising significant ...

Battery acid from old cars, with a little help from a catalyst, can give plastic waste a new purpose, using it to drive the production of useful chemicals, powered by sunlight alone. A recent study by ...

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. By Julie Creswell and Hiroko ...