Sustainable development. Conserving the environment & supporting coffee farmers. Minimum 30% Rainforest Alliance Certified coffee. The coffee you make can make a difference. Original - Rich Medium Roast: Yuban is passionate about the world of coffee. Our 100% premium Arabica coffee blends have been delivering a distinctively rich flavor for over 100 years. Now Yuban is teaming up with the Rainforest Alliance to protect the environment and support the people and wildlife in coffee growing regions. The partnership between Yuban and the Rainforest Alliance guarantees that at least 30% of all coffee beans that go into Yuban coffee are officially certified by the Rainforest Alliance, making Yuban the largest supporter of Rainforest Alliance sustainable coffee beans in the world. For all coffee makers.