Still not convinced of the threat? How about the prospect of losing out on your morning coffee. Climate change is posing a very clear and present danger for the trusted old coffee, outgoing Starbucks CEO Howard Schultz tells Time Magazine. About half of the land around the world currently used to produce high-quality coffee could be unproductive by 2050, according to a recent study in the journal Climatic Change. Another paper, in the journal Proceedings of the National Academy of Sciences, suggests that that number could be as high as 88% in Latin America.

What’s big coffee doing about it? A lack of action from the governments on the issue has prompted companies like Starbucks to step in to ensure access to the much-needed beans. In 2013, Starbucks bought a 600-acre farm in Costa Rica, which grows and roasts Arabica coffee, to act as the company’s field laboratory to test the threats posed to coffee by climate change. Researchers claim that in the near future, such challenges will be constant and farmers in some regions would be able to grow coffee at higher elevations, but in other areas there would be nowhere else to go. “Entire regions risk becoming unable to continue producing Arabica coffee,” Schultz says.