“It’s the best expression of a cold plastic cup.” Starbucks says Frappuccinos and other cold drinks now account for 75% of its U.S. beverage sales, up from 37% in 2013.

Starbucks cups are made out of polypropylene, or No. 5 plastic, and Landers told CBS News that these cups are designed to be recyclable and there are facilities that do this in the U.S. CBS News ...

The carbon footprint of reusable plastic cups is also disputable: A reusable cup has to be used between 20 and 100 times to offset its greenhouse gas emissions compared to a disposable one ...