In 2018, Jack Johnson's concert used reusable cups more than 100 times each. That single event kept over 22,000 disposable cups out of the waste stream

When the fans came for Jack Johnson and the Eagles, they also took part in a reusable-cup experiment that, according to Johnson’s website, kept more than 22,000 disposable plastic cups out of the waste stream. Reusable cups found their way into more US concert crowds in the later years. Read here