Certainly plastic ... reusable cups by creating a chart of customers who used one, and giving away for free every tenth drink ordered in one. If the idea takes off, maybe one day the disposable ...

I buy many cups of coffee and habitually cringe when reaching for a plastic lid ... Peter Herman has come up with a greener, all-paper disposable cup that folds closed like a takeout container ...

Disposable plastic and paper cups are an environmental mess. GaeaStar, a startup based in Berlin and San Francisco, thinks it can do better with just clay, water, salt and sand. After piloting ...