According to the Caribou Facebook message:
“Caribou Coffee is offering FREE coffee of the day on Earth Day, Friday April 22, to guests that bring in reusable drinkware. Invite a friend out for coffee. It’s our treat.
And don’t forget, you can save $.50 each and every day by bringing in your favorite mug again and again. It’s our way of saying Happy Everyday and promoting sustainability.”
More Earth Day Freebies: