But not how you might think.

September 29 is National Coffee Day, and instead of giving away free #PSLs or their new Chile Mochas, Starbucks is going to donate one rust-resistant coffee tree to coffee farmers in need for every cup of brewed Mexico Chiapas coffee sold at participating U.S. Starbucks stores. So by enjoying your morning cup of joe on Thursday, you’ll be helping coffee farmers in Latin America combat against coffee rust fungus from attacking coffee trees. Now that’s what we call a win-win.