Visit a Starbucks location on April 22nd and get a free brewed coffee when you bring your reusable mug, cup or tumbler and help Starbucks participate in Earth Day.
Last year they also allowed free regular teas. no list of the participating stores. Many of their offers are not valid at kiosks in other stores so check with your local Starbucks to make sure they are participating. While this offer is only valid on brewed coffee or tea, you will still get your regular $0.10 discount on any other drink by using a reusable mug.
It does not have to be a Starbucks mug to participate. Click here for more information.