The new compostable cups are made from fiber-based paperboard with a bioplastic lining, while the lids are crafted from molded fiber, Starbucks says on its website. Unlike the clear plastic cups ...

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

Starbucks will replace its plastic cups at select stores ... it announced that it would start using compostable cups for cold drinks. Both the cups and lids are made of fiber-based paper board ...