Starbucks plastic cups will slim down by a whopping 20 percent this month — and you might not even notice By . David Landsel. Published April 19, 2024, 10:47 p.m. ET.

Breaking News Starbucks redesigned its cups with up to 20% less plastic. By Dee-Ann Durbin / Associated Press April 18, 2024 ...

Starbucks says the new cups use 10 to 20 percent less plastic and "[b]aristas made drinks in test and store settings, rating the feel and performance of different iterations." ...