Coffee, the world’s favorite beverage, provides livelihoods for at least 60 million people across dozens of countries. Yet this beloved drink is experiencing a sustainability crisis. A sustained decline in world coffee prices has squeezed coffee producers, and thrown a tremendous number of producers below the global extreme poverty line of US$1.90 per day. This briefing note presents our research into sustainability within the coffee sector, including the results of our analytical and empirical modeling, and provides several recommendations.