Dunkin' is the latest restaurant chain to take a big, if obvious, step in the right direction by doing away with its styrofoam cups. Not only are the hot coffee cups going away but it's going to ...

In addition, Starbucks is offering a free iced or hot Pike Place coffee when you bring in a clean, reusable cup, up to 20 fl oz. And Dunkin' customers can get a free medium hot or iced coffee with ...