Snoop raps about them, Cameron Diaz loves them, and Starbucks is trying to save them: trees! This Earth Day, save the Earth and your wallet simply by bringing a travel mug to Starbucks for a free cup of hot or iced coffee or tea to reduce paper waste. Last year, Starbucks kept around 1.45 million pounds of paper out of landfills. That’s a hella lotta trees!