The new cups will use 10-20% less plastic. The coffee chain has announced multiple "green" initiatives in recent months.

Have you ever noticed the wetness that forms on the outside of a cold glass or can of soda? Where do you think that moisture comes from? Try this experiment to see if you can figure it out! Put ice ...

Tall, grande, venti—cups for each drink size have mysterious lines on the sides. What exactly are those markers used for?

The expensive cup re-sales began after Starbucks launched its new Peanuts drinkware at participating US locations on March 25. In addition to the $19.95 Peanuts Love Plastic Cold Cup, fans can ...

Singer Pixie Lott, who presents the investigation, says: “I love ice cold lattes on a hot summer’s day, and so do you, because we’ve drunk £395m worth, and that is a lot of plastic cups.