Starbucks Earth Day Cup 2024 Winners. Starting january 3, 2024, customers will be able to use their own clean, personal cup for every visit to stores in canada and the u.s. Starbucks peru celebrates earth day with free reusable cups for coffee lovers.

April 18, 2024 • 3 min read. The new cups, announced ahead of earth day, are made with up to 20% less plastic and will require less water to make, but come amid a new report that found plastic.