Thursday, April 15/2010, is the day for a free brewed coffee at your favorite Starbucks. It is part of Starbucks’ effort to encourage customers to be more environmentally aware. You just have to remember to bring your own tumbler to the store on Thursday:

Starbucks will give customers who bring a reusable tumbler to participating stores a free brewed coffee on Thursday, part of its effort to recruit customers to help reduce their shared environmental impact. For years, the company has offered a 10-cent discount on drinks for customers who bring their own mugs and tumblers.

Its goal is for all its cups to be reusable or recyclable by 2015…

link: Free Starbucks brew to customers who bring their own tumblers on Thursday

news release: Starbucks Asks Customers Worldwide to Use Tumblers and Help Reduce Environmental Impacts

And remember Earth Day, on April 22, 2010!