These cups are made from recycled coffee waste. They're reusable, shatter-proof, and smell like coffee! - Yanko Design
Berlin-Based Kaffeeform Makes Cups From Recycled Coffee Grounds
Four Ways to Cut Back on Coffee Cup Waste - Green Business Bureau
Sustainability | Free Full-Text | Promoting the Use of Reusable Coffee Cups through Environmental Messaging, the Provision of Alternatives and Financial Incentives