At the Olympics, reusable plastic cups are a gambit to reduce waste. Are they working?

NPR | By Becky Sullivan

Published August 9, 2024 at 8:48 PM EDT

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At the Olympic Games, concession stands serve drinks in reusable plastic "eco-cups" that can be returned for a 2€ deposit. Some eventgoers return them. Some throw them away. And some get a little wacky.