One obvious place to start is to bring in your own reusable mug to fill up on your favorite blend to cut down on paper cup waste. (scientificamerican.com)
How about the people who buy a coffee every day but haven't bothered to bring along their own reusable mugs, you know some of them right? (moneysense.ca)
During Green Week, Dining Services offers free coffee to students using reusable mugs and encourages students to take only the food they will be able to eat. (fooddrink-magazine.com)