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 ...

Keeping the Hydro Flask water bottle clean is important to prevent gunk and buildup, but you may think twice before putting ...

Is it true that you should not drink from plastic water bottles left in a hot car? Microplastics — plastic particles smaller than five millimeters — are in our food, water, clothing, personal care ...

Etched into a 1913 newspaper, the scene of a family picnic advertised a revolutionary canteen: a vacuum sealed product that would keep hot things hot and cold things cold. “The first cost is the last ...